Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

6/7/2008 11-001-0025 0.049 ppm 42 24 100 44201 Ozone District Of Columbia District of Columbia

6/7/2008 11-001-0041 0.06 ppm 51 24 100 44201 Ozone District Of Columbia District of Columbia

6/7/2008 11-001-0043 0.057 ppm 48 24 100 44201 Ozone District Of Columbia District of Columbia

6/7/2008 24-003-0014 0.077 ppm 104 24 100 44201 Ozone Maryland Anne Arundel

6/7/2008 24-005-1007 0.06 ppm 51 24 100 44201 Ozone Maryland Baltimore

6/7/2008 24-005-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Baltimore

6/7/2008 24-009-0011 0.06 ppm 51 24 100 44201 Ozone Maryland Calvert

6/7/2008 24-013-0001 0.058 ppm 49 24 100 44201 Ozone Maryland Carroll

6/7/2008 24-017-0010 0.061 ppm 54 24 100 44201 Ozone Maryland Charles

6/7/2008 24-021-0037 0.057 ppm 48 24 100 44201 Ozone Maryland Frederick

6/7/2008 24-025-1001 0.088 ppm 132 24 100 44201 Ozone Maryland Harford

6/7/2008 24-025-9001 0.092 ppm 142 24 100 44201 Ozone Maryland Harford

6/7/2008 24-031-3001 0.061 ppm 54 24 100 44201 Ozone Maryland Montgomery

6/7/2008 24-033-0030 0.064 ppm 64 24 100 44201 Ozone Maryland Prince George's

6/7/2008 24-033-8003 0.081 ppm 114 24 100 44201 Ozone Maryland Prince George's

6/7/2008 24-510-0054 0.042 ppm 36 24 100 44201 Ozone Maryland Baltimore (City)

6/7/2008 51-059-0030 0.065 ppm 67 24 100 44201 Ozone Virginia Fairfax

6/7/2008 51-061-0002 0.04 ppm 34 24 100 44201 Ozone Virginia Fauquier

6/7/2008 51-107-1005 0.055 ppm 47 24 100 44201 Ozone Virginia Loudoun

6/7/2008 51-153-0009 0.052 ppm 44 24 100 44201 Ozone Virginia Prince William

6/7/2008 51-179-0001 0.04 ppm 34 24 100 44201 Ozone Virginia Stafford

6/12/2008 11-001-0025 0.089 ppm 135 24 100 44201 Ozone District Of Columbia District of Columbia

6/12/2008 11-001-0041 0.086 ppm 127 24 100 44201 Ozone District Of Columbia District of Columbia

6/12/2008 11-001-0043 0.096 ppm 151 24 100 44201 Ozone District Of Columbia District of Columbia

6/12/2008 24-003-0014 0.076 ppm 101 24 100 44201 Ozone Maryland Anne Arundel

6/12/2008 24-005-1007 0.068 ppm 77 24 100 44201 Ozone Maryland Baltimore

6/12/2008 24-005-3001 0.078 ppm 106 24 100 44201 Ozone Maryland Baltimore

6/12/2008 24-009-0011 0.068 ppm 77 24 100 44201 Ozone Maryland Calvert

6/12/2008 24-013-0001 0.064 ppm 64 24 100 44201 Ozone Maryland Carroll

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/12/2008 24-017-0010 0.078 ppm 106 24 100 44201 Ozone Maryland Charles

6/12/2008 24-021-0037 0.071 ppm 87 24 100 44201 Ozone Maryland Frederick

6/12/2008 24-025-1001 0.079 ppm 109 24 100 44201 Ozone Maryland Harford

6/12/2008 24-025-9001 0.074 ppm 97 24 100 44201 Ozone Maryland Harford

6/12/2008 24-031-3001 0.075 ppm 100 24 100 44201 Ozone Maryland Montgomery

6/12/2008 24-033-8003 0.08 ppm 111 24 100 44201 Ozone Maryland Prince George's

6/12/2008 24-510-0054 0.053 ppm 45 24 100 44201 Ozone Maryland Baltimore (City)

6/12/2008 51-013-0020 0.093 ppm 145 24 100 44201 Ozone Virginia Arlington

6/12/2008 51-059-0030 0.085 ppm 124 24 100 44201 Ozone Virginia Fairfax

6/12/2008 51-061-0002 0.069 ppm 80 24 100 44201 Ozone Virginia Fauquier

6/12/2008 51-153-0009 0.082 ppm 116 18 75 44201 Ozone Virginia Prince William

6/12/2008 51-179-0001 0.065 ppm 67 24 100 44201 Ozone Virginia Stafford

6/12/2008 51-510-0009 0.077 ppm 104 24 100 44201 Ozone Virginia Alexandria City

6/13/2008 11-001-0025 0.074 ppm 97 24 100 44201 Ozone District Of Columbia District of Columbia

6/13/2008 11-001-0041 0.075 ppm 100 24 100 44201 Ozone District Of Columbia District of Columbia

6/13/2008 11-001-0043 0.078 ppm 106 24 100 44201 Ozone District Of Columbia District of Columbia

6/13/2008 24-003-0014 0.078 ppm 106 24 100 44201 Ozone Maryland Anne Arundel

6/13/2008 24-005-1007 0.097 ppm 154 24 100 44201 Ozone Maryland Baltimore

6/13/2008 24-005-3001 0.081 ppm 114 24 100 44201 Ozone Maryland Baltimore

6/13/2008 24-009-0011 0.075 ppm 100 24 100 44201 Ozone Maryland Calvert

6/13/2008 24-013-0001 0.096 ppm 151 24 100 44201 Ozone Maryland Carroll

6/13/2008 24-017-0010 0.076 ppm 101 24 100 44201 Ozone Maryland Charles

6/13/2008 24-021-0037 0.085 ppm 124 24 100 44201 Ozone Maryland Frederick

6/13/2008 24-025-1001 0.085 ppm 124 24 100 44201 Ozone Maryland Harford

6/13/2008 24-025-9001 0.083 ppm 119 24 100 44201 Ozone Maryland Harford

6/13/2008 24-031-3001 0.094 ppm 147 24 100 44201 Ozone Maryland Montgomery

6/13/2008 24-033-0030 0.085 ppm 124 24 100 44201 Ozone Maryland Prince George's

6/13/2008 24-033-8003 0.077 ppm 104 24 100 44201 Ozone Maryland Prince George's

6/13/2008 24-510-0054 0.059 ppm 50 24 100 44201 Ozone Maryland Baltimore (City)
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/13/2008 51-013-0020 0.079 ppm 109 24 100 44201 Ozone Virginia Arlington

6/13/2008 51-059-0030 0.074 ppm 97 24 100 44201 Ozone Virginia Fairfax

6/13/2008 51-061-0002 0.058 ppm 49 24 100 44201 Ozone Virginia Fauquier

6/13/2008 51-153-0009 0.071 ppm 87 24 100 44201 Ozone Virginia Prince William

6/13/2008 51-179-0001 0.071 ppm 87 19 79 44201 Ozone Virginia Stafford

6/13/2008 51-510-0009 0.071 ppm 87 24 100 44201 Ozone Virginia Alexandria City

6/14/2008 11-001-0025 0.057 ppm 48 24 100 44201 Ozone District Of Columbia District of Columbia

6/14/2008 11-001-0041 0.066 ppm 71 24 100 44201 Ozone District Of Columbia District of Columbia

6/14/2008 11-001-0043 0.067 ppm 74 24 100 44201 Ozone District Of Columbia District of Columbia

6/14/2008 24-003-0014 0.066 ppm 71 24 100 44201 Ozone Maryland Anne Arundel

6/14/2008 24-005-1007 0.064 ppm 64 24 100 44201 Ozone Maryland Baltimore

6/14/2008 24-005-3001 0.081 ppm 114 24 100 44201 Ozone Maryland Baltimore

6/14/2008 24-009-0011 0.064 ppm 64 24 100 44201 Ozone Maryland Calvert

6/14/2008 24-013-0001 0.057 ppm 48 24 100 44201 Ozone Maryland Carroll

6/14/2008 24-017-0010 0.061 ppm 54 24 100 44201 Ozone Maryland Charles

6/14/2008 24-021-0037 0.054 ppm 46 24 100 44201 Ozone Maryland Frederick

6/14/2008 24-025-1001 0.093 ppm 145 24 100 44201 Ozone Maryland Harford

6/14/2008 24-025-9001 0.089 ppm 135 24 100 44201 Ozone Maryland Harford

6/14/2008 24-031-3001 0.068 ppm 77 24 100 44201 Ozone Maryland Montgomery

6/14/2008 24-033-0030 0.074 ppm 97 24 100 44201 Ozone Maryland Prince George's

6/14/2008 24-033-8003 0.067 ppm 74 24 100 44201 Ozone Maryland Prince George's

6/14/2008 24-510-0054 0.052 ppm 44 24 100 44201 Ozone Maryland Baltimore (City)

6/14/2008 51-013-0020 0.065 ppm 67 24 100 44201 Ozone Virginia Arlington

6/14/2008 51-059-0030 0.058 ppm 49 24 100 44201 Ozone Virginia Fairfax

6/14/2008 51-061-0002 0.046 ppm 39 24 100 44201 Ozone Virginia Fauquier

6/14/2008 51-107-1005 0.056 ppm 47 24 100 44201 Ozone Virginia Loudoun

6/14/2008 51-153-0009 0.054 ppm 46 24 100 44201 Ozone Virginia Prince William

6/14/2008 51-179-0001 0.051 ppm 43 24 100 44201 Ozone Virginia Stafford

6/14/2008 51-510-0009 0.055 ppm 47 24 100 44201 Ozone Virginia Alexandria City
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/21/2008 11-001-0025 0.072 ppm 90 24 100 44201 Ozone District Of Columbia District of Columbia

6/21/2008 11-001-0041 0.077 ppm 104 24 100 44201 Ozone District Of Columbia District of Columbia

6/21/2008 11-001-0043 0.078 ppm 106 24 100 44201 Ozone District Of Columbia District of Columbia

6/21/2008 24-003-0014 0.073 ppm 93 24 100 44201 Ozone Maryland Anne Arundel

6/21/2008 24-005-1007 0.087 ppm 129 24 100 44201 Ozone Maryland Baltimore

6/21/2008 24-005-3001 0.081 ppm 114 24 100 44201 Ozone Maryland Baltimore

6/21/2008 24-009-0011 0.068 ppm 77 24 100 44201 Ozone Maryland Calvert

6/21/2008 24-013-0001 0.073 ppm 93 24 100 44201 Ozone Maryland Carroll

6/21/2008 24-017-0010 0.066 ppm 71 24 100 44201 Ozone Maryland Charles

6/21/2008 24-021-0037 0.073 ppm 93 24 100 44201 Ozone Maryland Frederick

6/21/2008 24-025-1001 ND

6/21/2008 24-025-9001 0.079 ppm 109 24 100 44201 Ozone Maryland Harford

6/21/2008 24-031-3001 0.076 ppm 101 24 100 44201 Ozone Maryland Montgomery

6/21/2008 24-033-0030 0.08 ppm 111 24 100 44201 Ozone Maryland Prince George's

6/21/2008 24-033-8003 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

6/21/2008 24-510-0054 0.058 ppm 49 24 100 44201 Ozone Maryland Baltimore (City)

6/21/2008 51-013-0020 0.076 ppm 101 24 100 44201 Ozone Virginia Arlington

6/21/2008 51-059-0005 0.068 ppm 77 24 100 44201 Ozone Virginia Fairfax

6/21/2008 51-059-0018 0.072 ppm 90 24 100 44201 Ozone Virginia Fairfax

6/21/2008 51-059-0030 0.068 ppm 77 24 100 44201 Ozone Virginia Fairfax

6/21/2008 51-059-5001 0.074 ppm 97 24 100 44201 Ozone Virginia Fairfax

6/21/2008 51-061-0002 0.052 ppm 44 24 100 44201 Ozone Virginia Fauquier

6/21/2008 51-107-1005 0.07 ppm 84 24 100 44201 Ozone Virginia Loudoun

6/21/2008 51-153-0009 0.067 ppm 74 24 100 44201 Ozone Virginia Prince William

6/21/2008 51-179-0001 0.057 ppm 48 24 100 44201 Ozone Virginia Stafford

6/21/2008 51-510-0009 0.065 ppm 67 24 100 44201 Ozone Virginia Alexandria City

7/3/2008 11-001-0025 0.065 ppm 67 24 100 44201 Ozone District Of Columbia District of Columbia

7/3/2008 11-001-0041 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/3/2008 11-001-0043 0.064 ppm 64 24 100 44201 Ozone District Of Columbia District of Columbia

7/3/2008 24-003-0014 0.073 ppm 93 24 100 44201 Ozone Maryland Anne Arundel

7/3/2008 24-005-1007 0.072 ppm 90 24 100 44201 Ozone Maryland Baltimore

7/3/2008 24-005-3001 0.074 ppm 97 24 100 44201 Ozone Maryland Baltimore

7/3/2008 24-009-0011 0.073 ppm 93 24 100 44201 Ozone Maryland Calvert

7/3/2008 24-013-0001 0.065 ppm 67 24 100 44201 Ozone Maryland Carroll

7/3/2008 24-017-0010 0.073 ppm 93 24 100 44201 Ozone Maryland Charles

7/3/2008 24-021-0037 0.066 ppm 71 24 100 44201 Ozone Maryland Frederick

7/3/2008 24-025-1001 0.089 ppm 135 24 100 44201 Ozone Maryland Harford

7/3/2008 24-025-9001 0.079 ppm 109 24 100 44201 Ozone Maryland Harford

7/3/2008 24-031-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Montgomery

7/3/2008 24-033-0030 0.07 ppm 84 24 100 44201 Ozone Maryland Prince George's

7/3/2008 24-033-8003 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

7/3/2008 24-510-0054 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore (City)

7/3/2008 51-013-0020 0.068 ppm 77 24 100 44201 Ozone Virginia Arlington

7/3/2008 51-059-0030 0.066 ppm 71 24 100 44201 Ozone Virginia Fairfax

7/3/2008 51-061-0002 0.058 ppm 49 24 100 44201 Ozone Virginia Fauquier

7/3/2008 51-107-1005 0.066 ppm 71 24 100 44201 Ozone Virginia Loudoun

7/3/2008 51-153-0009 0.064 ppm 64 24 100 44201 Ozone Virginia Prince William

7/3/2008 51-179-0001 0.058 ppm 49 24 100 44201 Ozone Virginia Stafford

7/3/2008 51-510-0009 0.063 ppm 61 24 100 44201 Ozone Virginia Alexandria City

7/11/2008 11-001-0025 0.068 ppm 77 24 100 44201 Ozone District Of Columbia District of Columbia

7/11/2008 11-001-0041 0.075 ppm 100 24 100 44201 Ozone District Of Columbia District of Columbia

7/11/2008 11-001-0043 0.074 ppm 97 24 100 44201 Ozone District Of Columbia District of Columbia

7/11/2008 24-003-0014 0.076 ppm 101 24 100 44201 Ozone Maryland Anne Arundel

7/11/2008 24-005-1007 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore

7/11/2008 24-005-3001 0.084 ppm 122 24 100 44201 Ozone Maryland Baltimore

7/11/2008 24-009-0011 0.063 ppm 61 24 100 44201 Ozone Maryland Calvert
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/11/2008 24-013-0001 0.065 ppm 67 24 100 44201 Ozone Maryland Carroll

7/11/2008 24-017-0010 0.064 ppm 64 24 100 44201 Ozone Maryland Charles

7/11/2008 24-021-0037 0.066 ppm 71 24 100 44201 Ozone Maryland Frederick

7/11/2008 24-025-1001 0.100 ppm 161 24 100 44201 Ozone Maryland Harford

7/11/2008 24-025-9001 0.076 ppm 101 24 100 44201 Ozone Maryland Harford

7/11/2008 24-031-3001 0.065 ppm 67 24 100 44201 Ozone Maryland Montgomery

7/11/2008 24-033-0030 0.07 ppm 84 24 100 44201 Ozone Maryland Prince George's

7/11/2008 24-033-8003 0.067 ppm 74 24 100 44201 Ozone Maryland Prince George's

7/11/2008 24-510-0054 0.056 ppm 47 24 100 44201 Ozone Maryland Baltimore (City)

7/11/2008 51-013-0020 0.07 ppm 84 24 100 44201 Ozone Virginia Arlington

7/11/2008 51-059-0030 0.066 ppm 71 24 100 44201 Ozone Virginia Fairfax

7/11/2008 51-061-0002 0.054 ppm 46 24 100 44201 Ozone Virginia Fauquier

7/11/2008 51-107-1005 0.061 ppm 54 24 100 44201 Ozone Virginia Loudoun

7/11/2008 51-153-0009 0.057 ppm 48 24 100 44201 Ozone Virginia Prince William

7/11/2008 51-179-0001 0.055 ppm 47 24 100 44201 Ozone Virginia Stafford

7/11/2008 51-510-0009 0.061 ppm 54 24 100 44201 Ozone Virginia Alexandria City

7/12/2008 11-001-0025 0.059 ppm 50 24 100 44201 Ozone District Of Columbia District of Columbia

7/12/2008 11-001-0041 0.064 ppm 64 24 100 44201 Ozone District Of Columbia District of Columbia

7/12/2008 11-001-0043 0.062 ppm 58 24 100 44201 Ozone District Of Columbia District of Columbia

7/12/2008 24-003-0014 0.071 ppm 87 24 100 44201 Ozone Maryland Anne Arundel

7/12/2008 24-005-1007 0.075 ppm 100 24 100 44201 Ozone Maryland Baltimore

7/12/2008 24-005-3001 0.07 ppm 84 24 100 44201 Ozone Maryland Baltimore

7/12/2008 24-009-0011 0.069 ppm 80 24 100 44201 Ozone Maryland Calvert

7/12/2008 24-013-0001 0.073 ppm 93 24 100 44201 Ozone Maryland Carroll

7/12/2008 24-017-0010 0.066 ppm 71 24 100 44201 Ozone Maryland Charles

7/12/2008 24-021-0037 0.076 ppm 101 24 100 44201 Ozone Maryland Frederick

7/12/2008 24-025-1001 0.079 ppm 109 24 100 44201 Ozone Maryland Harford

7/12/2008 24-025-9001 0.071 ppm 87 24 100 44201 Ozone Maryland Harford

7/12/2008 24-031-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Montgomery
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/12/2008 24-033-0030 0.069 ppm 80 24 100 44201 Ozone Maryland Prince George's

7/12/2008 24-033-8003 0.065 ppm 67 24 100 44201 Ozone Maryland Prince George's

7/12/2008 24-510-0054 0.057 ppm 48 24 100 44201 Ozone Maryland Baltimore (City)

7/12/2008 51-013-0020 0.065 ppm 67 24 100 44201 Ozone Virginia Arlington

7/12/2008 51-059-0030 0.062 ppm 58 24 100 44201 Ozone Virginia Fairfax

7/12/2008 51-061-0002 0.059 ppm 50 24 100 44201 Ozone Virginia Fauquier

7/12/2008 51-107-1005 0.071 ppm 87 24 100 44201 Ozone Virginia Loudoun

7/12/2008 51-153-0009 0.066 ppm 71 24 100 44201 Ozone Virginia Prince William

7/12/2008 51-179-0001 0.056 ppm 47 24 100 44201 Ozone Virginia Stafford

7/12/2008 51-510-0009 0.06 ppm 51 24 100 44201 Ozone Virginia Alexandria City

7/15/2008 11-001-0025 0.07 ppm 84 24 100 44201 Ozone District Of Columbia District of Columbia

7/15/2008 11-001-0041 0.081 ppm 114 24 100 44201 Ozone District Of Columbia District of Columbia

7/15/2008 11-001-0043 0.079 ppm 109 24 100 44201 Ozone District Of Columbia District of Columbia

7/15/2008 24-003-0014 0.081 ppm 114 24 100 44201 Ozone Maryland Anne Arundel

7/15/2008 24-005-1007 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore

7/15/2008 24-005-3001 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore

7/15/2008 24-009-0011 0.071 ppm 87 24 100 44201 Ozone Maryland Calvert

7/15/2008 24-013-0001 0.065 ppm 67 24 100 44201 Ozone Maryland Carroll

7/15/2008 24-017-0010 0.072 ppm 90 24 100 44201 Ozone Maryland Charles

7/15/2008 24-021-0037 0.06 ppm 51 24 100 44201 Ozone Maryland Frederick

7/15/2008 24-025-1001 0.071 ppm 87 24 100 44201 Ozone Maryland Harford

7/15/2008 24-025-9001 0.061 ppm 54 24 100 44201 Ozone Maryland Harford

7/15/2008 24-031-3001 0.059 ppm 50 24 100 44201 Ozone Maryland Montgomery

7/15/2008 24-033-0030 0.064 ppm 64 24 100 44201 Ozone Maryland Prince George's

7/15/2008 24-033-8003 0.074 ppm 97 24 100 44201 Ozone Maryland Prince George's

7/15/2008 24-510-0054 0.046 ppm 39 24 100 44201 Ozone Maryland Baltimore (City)

7/15/2008 51-013-0020 0.081 ppm 114 24 100 44201 Ozone Virginia Arlington

7/15/2008 51-059-0005 0.065 ppm 67 24 100 44201 Ozone Virginia Fairfax

7/15/2008 51-059-0030 0.074 ppm 97 24 100 44201 Ozone Virginia Fairfax
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/15/2008 51-061-0002 0.051 ppm 43 24 100 44201 Ozone Virginia Fauquier

7/15/2008 51-107-1005 0.068 ppm 77 24 100 44201 Ozone Virginia Loudoun

7/15/2008 51-153-0009 0.063 ppm 61 24 100 44201 Ozone Virginia Prince William

7/15/2008 51-179-0001 0.07 ppm 84 24 100 44201 Ozone Virginia Stafford

7/15/2008 51-510-0009 0.07 ppm 84 24 100 44201 Ozone Virginia Alexandria City

7/16/2008 11-001-0025 0.075 ppm 100 24 100 44201 Ozone District Of Columbia District of Columbia

7/16/2008 11-001-0041 0.087 ppm 129 24 100 44201 Ozone District Of Columbia District of Columbia

7/16/2008 11-001-0043 0.084 ppm 122 24 100 44201 Ozone District Of Columbia District of Columbia

7/16/2008 24-003-0014 0.077 ppm 104 24 100 44201 Ozone Maryland Anne Arundel

7/16/2008 24-005-1007 0.08 ppm 111 24 100 44201 Ozone Maryland Baltimore

7/16/2008 24-005-3001 0.078 ppm 106 24 100 44201 Ozone Maryland Baltimore

7/16/2008 24-009-0011 0.075 ppm 100 24 100 44201 Ozone Maryland Calvert

7/16/2008 24-013-0001 0.071 ppm 87 24 100 44201 Ozone Maryland Carroll

7/16/2008 24-017-0010 0.078 ppm 106 24 100 44201 Ozone Maryland Charles

7/16/2008 24-021-0037 0.075 ppm 100 24 100 44201 Ozone Maryland Frederick

7/16/2008 24-025-1001 0.081 ppm 114 24 100 44201 Ozone Maryland Harford

7/16/2008 24-025-9001 0.074 ppm 97 24 100 44201 Ozone Maryland Harford

7/16/2008 24-031-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Montgomery

7/16/2008 24-033-0030 0.081 ppm 114 24 100 44201 Ozone Maryland Prince George's

7/16/2008 24-033-8003 0.076 ppm 101 24 100 44201 Ozone Maryland Prince George's

7/16/2008 24-510-0054 0.052 ppm 44 24 100 44201 Ozone Maryland Baltimore (City)

7/16/2008 51-013-0020 0.084 ppm 122 24 100 44201 Ozone Virginia Arlington

7/16/2008 51-059-0005 0.077 ppm 104 24 100 44201 Ozone Virginia Fairfax

7/16/2008 51-059-0030 0.088 ppm 132 24 100 44201 Ozone Virginia Fairfax

7/16/2008 51-061-0002 0.065 ppm 67 24 100 44201 Ozone Virginia Fauquier

7/16/2008 51-153-0009 0.071 ppm 87 24 100 44201 Ozone Virginia Prince William

7/16/2008 51-179-0001 0.085 ppm 124 24 100 44201 Ozone Virginia Stafford

7/16/2008 51-510-0009 0.075 ppm 100 24 100 44201 Ozone Virginia Alexandria City
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/17/2008 11-001-0025 0.087 ppm 129 24 100 44201 Ozone District Of Columbia District of Columbia

7/17/2008 11-001-0041 0.092 ppm 142 24 100 44201 Ozone District Of Columbia District of Columbia

7/17/2008 11-001-0043 0.100 ppm 161 24 100 44201 Ozone District Of Columbia District of Columbia

7/17/2008 24-003-0014 0.087 ppm 129 24 100 44201 Ozone Maryland Anne Arundel

7/17/2008 24-005-1007 0.072 ppm 90 24 100 44201 Ozone Maryland Baltimore

7/17/2008 24-005-3001 0.08 ppm 111 24 100 44201 Ozone Maryland Baltimore

7/17/2008 24-009-0011 0.08 ppm 111 24 100 44201 Ozone Maryland Calvert

7/17/2008 24-013-0001 0.069 ppm 80 24 100 44201 Ozone Maryland Carroll

7/17/2008 24-017-0010 0.089 ppm 135 24 100 44201 Ozone Maryland Charles

7/17/2008 24-021-0037 0.074 ppm 97 24 100 44201 Ozone Maryland Frederick

7/17/2008 24-025-1001 0.088 ppm 132 24 100 44201 Ozone Maryland Harford

7/17/2008 24-025-9001 0.067 ppm 74 24 100 44201 Ozone Maryland Harford

7/17/2008 24-031-3001 0.07 ppm 84 24 100 44201 Ozone Maryland Montgomery

7/17/2008 24-031-3001 0.07 ppm 84 24 100 44201 Ozone Maryland Montgomery

7/17/2008 24-033-0030 0.081 ppm 114 24 100 44201 Ozone Maryland Prince George's

7/17/2008 24-033-8003 0.08 ppm 111 24 100 44201 Ozone Maryland Prince George's

7/17/2008 24-510-0054 0.059 ppm 50 24 100 44201 Ozone Maryland Baltimore (City)

7/17/2008 51-013-0020 0.104 ppm 172 24 100 44201 Ozone Virginia Arlington

7/17/2008 51-059-0005 0.079 ppm 109 24 100 44201 Ozone Virginia Fairfax

7/17/2008 51-059-0030 0.095 ppm 150 24 100 44201 Ozone Virginia Fairfax

7/17/2008 51-061-0002 0.063 ppm 61 24 100 44201 Ozone Virginia Fauquier

7/17/2008 51-061-0002 0.063 ppm 61 24 100 44201 Ozone Virginia Fauquier

7/17/2008 51-153-0009 0.075 ppm 100 24 100 44201 Ozone Virginia Prince William

7/17/2008 51-153-0009 0.075 ppm 100 24 100 44201 Ozone Virginia Prince William

7/17/2008 51-179-0001 0.064 ppm 64 24 100 44201 Ozone Virginia Stafford

7/17/2008 51-179-0001 0.064 ppm 64 24 100 44201 Ozone Virginia Stafford

7/17/2008 51-510-0009 0.09 ppm 137 24 100 44201 Ozone Virginia Alexandria City

7/18/2008 11-001-0025 0.083 ppm 119 24 100 44201 Ozone District Of Columbia District of Columbia

7/18/2008 11-001-0041 0.082 ppm 116 24 100 44201 Ozone District Of Columbia District of Columbia
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/18/2008 11-001-0043 0.086 ppm 127 24 100 44201 Ozone District Of Columbia District of Columbia

7/18/2008 24-003-0014 0.077 ppm 104 24 100 44201 Ozone Maryland Anne Arundel

7/18/2008 24-005-1007 0.088 ppm 132 24 100 44201 Ozone Maryland Baltimore

7/18/2008 24-005-3001 0.099 ppm 159 24 100 44201 Ozone Maryland Baltimore

7/18/2008 24-009-0011 0.073 ppm 93 24 100 44201 Ozone Maryland Calvert

7/18/2008 24-013-0001 0.083 ppm 119 24 100 44201 Ozone Maryland Carroll

7/18/2008 24-017-0010 0.076 ppm 101 24 100 44201 Ozone Maryland Charles

7/18/2008 24-021-0037 0.073 ppm 93 24 100 44201 Ozone Maryland Frederick

7/18/2008 24-025-1001 0.102 ppm 166 24 100 44201 Ozone Maryland Harford

7/18/2008 24-025-9001 0.099 ppm 159 24 100 44201 Ozone Maryland Harford

7/18/2008 24-031-3001 0.082 ppm 116 24 100 44201 Ozone Maryland Montgomery

7/18/2008 24-033-0030 0.097 ppm 154 24 100 44201 Ozone Maryland Prince George's

7/18/2008 24-033-8003 0.076 ppm 101 24 100 44201 Ozone Maryland Prince George's

7/18/2008 24-510-0054 0.082 ppm 116 24 100 44201 Ozone Maryland Baltimore (City)

7/18/2008 51-013-0020 0.089 ppm 135 24 100 44201 Ozone Virginia Arlington

7/18/2008 51-059-0030 0.078 ppm 106 24 100 44201 Ozone Virginia Fairfax

7/18/2008 51-061-0002 0.058 ppm 49 24 100 44201 Ozone Virginia Fauquier

7/18/2008 51-153-0009 0.074 ppm 97 24 100 44201 Ozone Virginia Prince William

7/18/2008 51-179-0001 0.066 ppm 71 24 100 44201 Ozone Virginia Stafford

7/18/2008 51-510-0009 0.077 ppm 104 24 100 44201 Ozone Virginia Alexandria City

9/3/2008 11-001-0025 0.075 ppm 100 24 100 44201 Ozone District Of Columbia District of Columbia

9/3/2008 11-001-0041 0.075 ppm 100 24 100 44201 Ozone District Of Columbia District of Columbia

9/3/2008 11-001-0043 0.080 ppm 111 24 100 44201 Ozone District Of Columbia District of Columbia

9/3/2008 24-003-0014 0.086 ppm 127 24 100 44201 Ozone Maryland Anne Arundel

9/3/2008 24-005-1007 0.053 ppm 45 24 100 44201 Ozone Maryland Baltimore

9/3/2008 24-005-3001 0.073 ppm 93 24 100 44201 Ozone Maryland Baltimore

9/3/2008 24-009-0011 0.087 ppm 129 24 100 44201 Ozone Maryland Calvert

9/3/2008 24-013-0001 0.068 ppm 77 24 100 44201 Ozone Maryland Carroll
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

9/3/2008 24-017-0010 0.086 ppm 127 24 100 44201 Ozone Maryland Charles

9/3/2008 24-021-0037 0.074 ppm 97 24 100 44201 Ozone Maryland Frederick

9/3/2008 24-025-1001 0.062 ppm 58 24 100 44201 Ozone Maryland Harford

9/3/2008 24-025-9001 0.055 ppm 47 24 100 44201 Ozone Maryland Harford

9/3/2008 24-031-3001 0.067 ppm 74 24 100 44201 Ozone Maryland Montgomery

9/3/2008 24-033-0030 0.063 ppm 61 24 100 44201 Ozone Maryland Prince George's

9/3/2008 24-033-8003 0.079 ppm 109 24 100 44201 Ozone Maryland Prince George's

9/3/2008 24-510-0054 0.048 ppm 41 24 100 44201 Ozone Maryland Baltimore (City)

9/3/2008 51-013-0020 0.073 ppm 93 24 100 44201 Ozone Virginia Arlington

9/3/2008 51-059-0005 0.066 ppm 71 24 100 44201 Ozone Virginia Fairfax

9/3/2008 51-059-0030 0.085 ppm 124 24 100 44201 Ozone Virginia Fairfax

9/3/2008 51-059-1005 0.075 ppm 100 24 100 44201 Ozone Virginia Fairfax

9/3/2008 51-059-5001 0.071 ppm 87 24 100 44201 Ozone Virginia Fairfax

9/3/2008 51-061-0002 0.048 ppm 41 18 75 44201 Ozone Virginia Fauquier

9/3/2008 51-153-0009 0.065 ppm 67 24 100 44201 Ozone Virginia Prince William

9/3/2008 51-179-0001 0.054 ppm 46 24 100 44201 Ozone Virginia Stafford

9/3/2008 51-510-0009 0.062 ppm 58 24 100 44201 Ozone Virginia Alexandria City

9/4/2008 11-001-0025 0.068 ppm 77 24 100 44201 Ozone District Of Columbia District of Columbia

9/4/2008 11-001-0041 0.07 ppm 84 24 100 44201 Ozone District Of Columbia District of Columbia

9/4/2008 11-001-0043 0.07 ppm 84 24 100 44201 Ozone District Of Columbia District of Columbia

9/4/2008 24-003-0014 0.079 ppm 109 24 100 44201 Ozone Maryland Anne Arundel

9/4/2008 24-005-1007 0.072 ppm 90 24 100 44201 Ozone Maryland Baltimore

9/4/2008 24-005-3001 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore

9/4/2008 24-009-0011 0.077 ppm 104 24 100 44201 Ozone Maryland Calvert

9/4/2008 24-013-0001 0.075 ppm 100 24 100 44201 Ozone Maryland Carroll

9/4/2008 24-017-0010 0.077 ppm 104 24 100 44201 Ozone Maryland Charles

9/4/2008 24-021-0037 0.082 ppm 116 24 100 44201 Ozone Maryland Frederick

9/4/2008 24-025-1001 0.08 ppm 111 24 100 44201 Ozone Maryland Harford

9/4/2008 24-025-9001 0.067 ppm 74 24 100 44201 Ozone Maryland Harford

9/4/2008 24-031-3001 0.071 ppm 87 19 79 44201 Ozone Maryland Montgomery
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

9/4/2008 24-033-0030 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

9/4/2008 24-033-8003 0.07 ppm 84 24 100 44201 Ozone Maryland Prince George's

9/4/2008 24-510-0054 0.053 ppm 45 24 100 44201 Ozone Maryland Baltimore (City)

9/4/2008 51-013-0020 0.07 ppm 84 24 100 44201 Ozone Virginia Arlington

9/4/2008 51-059-0030 0.077 ppm 104 24 100 44201 Ozone Virginia Fairfax

9/4/2008 51-061-0002 0.055 ppm 47 24 100 44201 Ozone Virginia Fauquier

9/4/2008 51-107-1005 0.073 ppm 93 24 100 44201 Ozone Virginia Loudoun

9/4/2008 51-153-0009 0.061 ppm 54 24 100 44201 Ozone Virginia Prince William

9/4/2008 51-179-0001 0.069 ppm 80 24 100 44201 Ozone Virginia Stafford

9/4/2008 51-510-0009 0.065 ppm 67 24 100 44201 Ozone Virginia Alexandria City

6/25/2009 11-001-0025 0.067 ppm 74 24 100 44201 Ozone District Of Columbia District of Columbia

6/25/2009 11-001-0041 0.064 ppm 64 24 100 44201 Ozone District Of Columbia District of Columbia

6/25/2009 11-001-0043 0.071 ppm 87 24 100 44201 Ozone District Of Columbia District of Columbia

6/25/2009 24-003-0014 0.071 ppm 87 24 100 44201 Ozone Maryland Anne Arundel

6/25/2009 24-005-1007 0.056 ppm 47 24 100 44201 Ozone Maryland Baltimore

6/25/2009 24-005-3001 0.086 ppm 127 24 100 44201 Ozone Maryland Baltimore

6/25/2009 24-009-0011 0.076 ppm 101 24 100 44201 Ozone Maryland Calvert

6/25/2009 24-013-0001 0.051 ppm 43 24 100 44201 Ozone Maryland Carroll

6/25/2009 24-017-0010 0.072 ppm 90 24 100 44201 Ozone Maryland Charles

6/25/2009 24-021-0037 0.058 ppm 49 24 100 44201 Ozone Maryland Frederick

6/25/2009 24-025-1001 0.109 ppm 185 24 100 44201 Ozone Maryland Harford

6/25/2009 24-025-9001 0.079 ppm 109 24 100 44201 Ozone Maryland Harford

6/25/2009 24-031-3001 0.054 ppm 46 24 100 44201 Ozone Maryland Montgomery

6/25/2009 24-033-0030 0.051 ppm 43 24 100 44201 Ozone Maryland Prince George's

6/25/2009 24-033-8003 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

6/25/2009 24-510-0054 0.07 ppm 84 24 100 44201 Ozone Maryland Baltimore (City)

6/25/2009 51-013-0020 0.067 ppm 74 24 100 44201 Ozone Virginia Arlington

6/25/2009 51-059-0030 0.062 ppm 58 24 100 44201 Ozone Virginia Fairfax

6/25/2009 51-061-0002 0.05 ppm 42 24 100 44201 Ozone Virginia Fauquier
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/25/2009 51-107-1005 0.059 ppm 50 24 100 44201 Ozone Virginia Loudoun

6/25/2009 51-153-0009 0.057 ppm 48 24 100 44201 Ozone Virginia Prince William

6/25/2009 51-179-0001 0.054 ppm 46 24 100 44201 Ozone Virginia Stafford

6/25/2009 51-510-0009 0.056 ppm 47 24 100 44201 Ozone Virginia Alexandria City

6/26/2009 11-001-0025 0.074 ppm 97 24 100 44201 Ozone District Of Columbia District of Columbia

6/26/2009 11-001-0041 0.08 ppm 111 18 75 44201 Ozone District Of Columbia District of Columbia

6/26/2009 11-001-0043 0.076 ppm 101 24 100 44201 Ozone District Of Columbia District of Columbia

6/26/2009 24-003-0014 0.065 ppm 67 24 100 44201 Ozone Maryland Anne Arundel

6/26/2009 24-005-1007 0.059 ppm 50 24 100 44201 Ozone Maryland Baltimore

6/26/2009 24-005-3001 0.074 ppm 97 24 100 44201 Ozone Maryland Baltimore

6/26/2009 24-009-0011 0.06 ppm 51 24 100 44201 Ozone Maryland Calvert

6/26/2009 24-013-0001 0.054 ppm 46 24 100 44201 Ozone Maryland Carroll

6/26/2009 24-017-0010 0.055 ppm 47 24 100 44201 Ozone Maryland Charles

6/26/2009 24-021-0037 0.061 ppm 54 24 100 44201 Ozone Maryland Frederick

6/26/2009 24-025-1001 0.091 ppm 140 24 100 44201 Ozone Maryland Harford

6/26/2009 24-025-9001 0.081 ppm 114 24 100 44201 Ozone Maryland Harford

6/26/2009 24-031-3001 0.06 ppm 51 24 100 44201 Ozone Maryland Montgomery

6/26/2009 24-033-0030 0.073 ppm 93 24 100 44201 Ozone Maryland Prince George's

6/26/2009 24-033-8003 0.062 ppm 58 24 100 44201 Ozone Maryland Prince George's

6/26/2009 24-510-0054 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore (City)

6/26/2009 51-013-0020 0.077 ppm 104 24 100 44201 Ozone Virginia Arlington

6/26/2009 51-059-0030 0.071 ppm 87 24 100 44201 Ozone Virginia Fairfax

6/26/2009 51-061-0002 0.04 ppm 34 24 100 44201 Ozone Virginia Fauquier

6/26/2009 51-107-1005 0.057 ppm 48 24 100 44201 Ozone Virginia Loudoun

6/26/2009 51-153-0009 0.051 ppm 43 24 100 44201 Ozone Virginia Prince William

6/26/2009 51-179-0001 0.053 ppm 45 24 100 44201 Ozone Virginia Stafford

6/26/2009 51-510-0009 0.069 ppm 80 24 100 44201 Ozone Virginia Alexandria City

8/16/2009 24-003-0014 0.053 ppm 45 24 100 44201 Ozone Maryland Anne Arundel
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/16/2009 24-005-1007 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore

8/16/2009 24-005-3001 0.067 ppm 74 24 100 44201 Ozone Maryland Baltimore

8/16/2009 24-013-0001 0.057 ppm 48 24 100 44201 Ozone Maryland Carroll

8/16/2009 24-025-1001 0.085 ppm 124 24 100 44201 Ozone Maryland Harford

8/16/2009 24-025-9001 0.068 ppm 77 24 100 44201 Ozone Maryland Harford

8/16/2009 24-510-0054 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore (City)

8/17/2009 24-003-0014 0.053 ppm 45 24 100 44201 Ozone Maryland Anne Arundel

8/17/2009 24-005-1007 0.068 ppm 77 24 100 44201 Ozone Maryland Baltimore

8/17/2009 24-005-3001 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore

8/17/2009 24-013-0001 0.062 ppm 58 24 100 44201 Ozone Maryland Carroll

8/17/2009 24-025-1001 0.067 ppm 74 24 100 44201 Ozone Maryland Harford

8/17/2009 24-025-9001 0.066 ppm 71 24 100 44201 Ozone Maryland Harford

8/17/2009 24-510-0054 0.06 ppm 51 24 100 44201 Ozone Maryland Baltimore (City)

8/18/2009 24-003-0014 0.062 ppm 58 24 100 44201 Ozone Maryland Anne Arundel

8/18/2009 24-005-1007 0.058 ppm 49 24 100 44201 Ozone Maryland Baltimore

8/18/2009 24-005-3001 0.067 ppm 74 24 100 44201 Ozone Maryland Baltimore

8/18/2009 24-013-0001 0.048 ppm 41 24 100 44201 Ozone Maryland Carroll

8/18/2009 24-025-1001 0.083 ppm 119 24 100 44201 Ozone Maryland Harford

8/18/2009 24-025-9001 0.064 ppm 64 24 100 44201 Ozone Maryland Harford

8/18/2009 24-510-0054 0.063 ppm 61 24 100 44201 Ozone Maryland Baltimore (City)

8/27/2009 11-001-0025 0.073 ppm 93 24 100 44201 Ozone District Of Columbia District of Columbia

8/27/2009 11-001-0041 0.067 ppm 74 24 100 44201 Ozone District Of Columbia District of Columbia

8/27/2009 11-001-0043 0.074 ppm 97 24 100 44201 Ozone District Of Columbia District of Columbia

8/27/2009 24-003-0014 0.066 ppm 71 24 100 44201 Ozone Maryland Anne Arundel

8/27/2009 24-005-1007 0.066 ppm 71 24 100 44201 Ozone Maryland Baltimore

8/27/2009 24-005-3001 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore

8/27/2009 24-009-0011 0.061 ppm 54 24 100 44201 Ozone Maryland Calvert
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/27/2009 24-013-0001 0.056 ppm 47 24 100 44201 Ozone Maryland Carroll

8/27/2009 24-017-0010 0.064 ppm 64 24 100 44201 Ozone Maryland Charles

8/27/2009 24-021-0037 0.067 ppm 74 24 100 44201 Ozone Maryland Frederick

8/27/2009 24-025-1001 0.076 ppm 101 24 100 44201 Ozone Maryland Harford

8/27/2009 24-025-9001 0.061 ppm 54 24 100 44201 Ozone Maryland Harford

8/27/2009 24-031-3001 0.061 ppm 54 24 100 44201 Ozone Maryland Montgomery

8/27/2009 24-033-0030 0.07 ppm 84 24 100 44201 Ozone Maryland Prince George's

8/27/2009 24-033-8003 0.065 ppm 67 24 100 44201 Ozone Maryland Prince George's

8/28/2009 24-510-0054 0.031 ppm 26 24 100 44201 Ozone Maryland Baltimore (City)

8/27/2009 51-013-0020 0.067 ppm 74 24 100 44201 Ozone Virginia Arlington

8/27/2009 51-059-0005 0.064 ppm 64 24 100 44201 Ozone Virginia Fairfax

8/27/2009 51-059-0018 0.075 ppm 100 24 100 44201 Ozone Virginia Fairfax

8/27/2009 51-059-0030 0.08 ppm 111 24 100 44201 Ozone Virginia Fairfax

8/27/2009 51-059-5001 0.068 ppm 77 24 100 44201 Ozone Virginia Fairfax

8/27/2009 51-061-0002 0.049 ppm 42 24 100 44201 Ozone Virginia Fauquier

8/27/2009 51-107-1005 0.065 ppm 67 24 100 44201 Ozone Virginia Loudoun

8/27/2009 51-153-0009 0.058 ppm 49 24 100 44201 Ozone Virginia Prince William

8/27/2009 51-179-0001 0.069 ppm 80 24 100 44201 Ozone Virginia Stafford

8/27/2009 51-510-0009 0.065 ppm 67 24 100 44201 Ozone Virginia Alexandria City

5/27/2010 11-001-0025 0.074 ppm 97 24 100 44201 Ozone District Of Columbia District of Columbia

5/27/2010 11-001-0041 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

5/27/2010 11-001-0043 0.080 ppm 111 24 100 44201 Ozone District Of Columbia District of Columbia

5/27/2010 24-003-0014 0.078 ppm 106 24 100 44201 Ozone Maryland Anne Arundel

5/27/2010 24-005-1007 0.075 ppm 100 24 100 44201 Ozone Maryland Baltimore

5/27/2010 24-005-3001 0.079 ppm 109 24 100 44201 Ozone Maryland Baltimore

5/27/2010 24-009-0011 0.071 ppm 87 24 100 44201 Ozone Maryland Calvert

5/27/2010 24-013-0001 0.067 ppm 74 24 100 44201 Ozone Maryland Carroll

5/27/2010 24-017-0010 0.064 ppm 64 24 100 44201 Ozone Maryland Charles

5/27/2010 24-021-0037 0.065 ppm 67 24 100 44201 Ozone Maryland Frederick
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

5/27/2010 24-025-1001 0.089 ppm 135 24 100 44201 Ozone Maryland Harford

5/27/2010 24-025-9001 0.075 ppm 100 24 100 44201 Ozone Maryland Harford

5/27/2010 24-031-3001 0.065 ppm 67 24 100 44201 Ozone Maryland Montgomery

5/27/2010 24-033-0030 0.087 ppm 129 24 100 44201 Ozone Maryland Prince George's

5/27/2010 24-033-8003 0.074 ppm 97 24 100 44201 Ozone Maryland Prince George's

5/27/2010 24-510-0054 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore (City)

5/27/2010 51-013-0020 0.083 ppm 119 24 100 44201 Ozone Virginia Arlington

5/27/2010 51-059-0030 0.088 ppm 132 24 100 44201 Ozone Virginia Fairfax

5/27/2010 51-061-0002 0.054 ppm 46 24 100 44201 Ozone Virginia Fauquier

5/27/2010 51-107-1005 0.065 ppm 67 24 100 44201 Ozone Virginia Loudoun

5/27/2010 51-153-0009 0.061 ppm 54 24 100 44201 Ozone Virginia Prince William

5/27/2010 51-179-0001 0.080 ppm 111 24 100 44201 Ozone Virginia Stafford

5/27/2010 51-510-0009 0.078 ppm 106 24 100 44201 Ozone Virginia Alexandria City

6/2/2010 11-001-0025 0.075 ppm 100 24 100 44201 Ozone District Of Columbia District of Columbia

6/2/2010 11-001-0041 0.064 ppm 64 24 100 44201 Ozone District Of Columbia District of Columbia

6/2/2010 11-001-0043 0.078 ppm 106 24 100 44201 Ozone District Of Columbia District of Columbia

6/2/2010 24-003-0014 0.066 ppm 71 24 100 44201 Ozone Maryland Anne Arundel

6/2/2010 24-005-1007 0.069 ppm 80 24 100 44201 Ozone Maryland Baltimore

6/2/2010 24-005-3001 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore

6/2/2010 24-009-0011 0.062 ppm 58 24 100 44201 Ozone Maryland Calvert

6/2/2010 24-013-0001 0.063 ppm 61 24 100 44201 Ozone Maryland Carroll

6/2/2010 24-017-0010 0.063 ppm 61 24 100 44201 Ozone Maryland Charles

6/2/2010 24-021-0037 0.062 ppm 58 24 100 44201 Ozone Maryland Frederick

6/2/2010 24-025-1001 0.087 ppm 129 24 100 44201 Ozone Maryland Harford

6/2/2010 24-025-9001 0.076 ppm 101 24 100 44201 Ozone Maryland Harford

6/2/2010 24-031-3001 0.073 ppm 93 24 100 44201 Ozone Maryland Montgomery

6/2/2010 24-033-0030 0.080 ppm 111 24 100 44201 Ozone Maryland Prince George's

6/2/2010 24-033-8003 0.068 ppm 77 24 100 44201 Ozone Maryland Prince George's

6/2/2010 51-013-0020 0.075 ppm 100 24 100 44201 Ozone Virginia Arlington
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/2/2010 51-059-0030 0.071 ppm 87 24 100 44201 Ozone Virginia Fairfax

6/2/2010 51-061-0002 0.053 ppm 45 24 100 44201 Ozone Virginia Fauquier

6/2/2010 51-107-1005 0.064 ppm 64 24 100 44201 Ozone Virginia Loudoun

6/2/2010 51-153-0009 0.063 ppm 61 24 100 44201 Ozone Virginia Prince William

6/2/2010 51-179-0001 0.063 ppm 61 24 100 44201 Ozone Virginia Stafford

6/2/2010 51-510-0009 0.069 ppm 80 18 75 44201 Ozone Virginia Alexandria City

6/21/2010 11-001-0025 0.064 ppm 64 24 100 44201 Ozone District Of Columbia District of Columbia

6/21/2010 11-001-0041 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

6/21/2010 11-001-0043 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

6/21/2010 24-003-0014 0.07 ppm 84 24 100 44201 Ozone Maryland Anne Arundel

6/21/2010 24-005-1007 0.055 ppm 47 24 100 44201 Ozone Maryland Baltimore

6/21/2010 24-009-0011 0.082 ppm 116 24 100 44201 Ozone Maryland Calvert

6/21/2010 24-013-0001 0.058 ppm 49 24 100 44201 Ozone Maryland Carroll

6/21/2010 24-017-0010 0.076 ppm 101 24 100 44201 Ozone Maryland Charles

6/21/2010 24-021-0037 0.064 ppm 64 24 100 44201 Ozone Maryland Frederick

6/21/2010 24-025-1001 0.07 ppm 84 24 100 44201 Ozone Maryland Harford

6/21/2010 24-025-9001 0.065 ppm 67 24 100 44201 Ozone Maryland Harford

6/21/2010 24-031-3001 0.065 ppm 67 24 100 44201 Ozone Maryland Montgomery

6/21/2010 24-033-0030 0.064 ppm 64 24 100 44201 Ozone Maryland Prince George's

6/21/2010 24-033-8003 0.077 ppm 104 24 100 44201 Ozone Maryland Prince George's

6/21/2010 24-510-0054 0.045 ppm 38 24 100 44201 Ozone Maryland Baltimore (City)

6/21/2010 51-013-0020 0.066 ppm 71 24 100 44201 Ozone Virginia Arlington

6/21/2010 51-059-0018 0.068 ppm 77 24 100 44201 Ozone Virginia Fairfax

6/21/2010 51-059-0030 0.070 ppm 84 24 100 44201 Ozone Virginia Fairfax

6/21/2010 51-061-0002 0.051 ppm 43 24 100 44201 Ozone Virginia Fauquier

6/21/2010 51-107-1005 0.060 ppm 51 24 100 44201 Ozone Virginia Loudoun

6/21/2010 51-153-0009 0.059 ppm 50 24 100 44201 Ozone Virginia Prince William

6/21/2010 51-179-0001 0.058 ppm 49 24 100 44201 Ozone Virginia Stafford
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/21/2010 51-510-0009 0.062 ppm 58 24 100 44201 Ozone Virginia Alexandria City

6/22/2010 11-001-0025 0.072 ppm 90 24 100 44201 Ozone District Of Columbia District of Columbia

6/22/2010 11-001-0041 0.077 ppm 104 24 100 44201 Ozone District Of Columbia District of Columbia

6/22/2010 11-001-0043 0.077 ppm 104 24 100 44201 Ozone District Of Columbia District of Columbia

6/22/2010 24-003-0014 0.068 ppm 77 24 100 44201 Ozone Maryland Anne Arundel

6/22/2010 24-005-1007 0.085 ppm 124 24 100 44201 Ozone Maryland Baltimore

6/22/2010 24-005-3001 0.079 ppm 109 24 100 44201 Ozone Maryland Baltimore

6/22/2010 24-009-0011 0.067 ppm 74 24 100 44201 Ozone Maryland Calvert

6/22/2010 24-013-0001 0.073 ppm 93 24 100 44201 Ozone Maryland Carroll

6/22/2010 24-017-0010 0.067 ppm 74 24 100 44201 Ozone Maryland Charles

6/22/2010 24-021-0037 0.065 ppm 67 24 100 44201 Ozone Maryland Frederick

6/22/2010 24-025-1001 0.087 ppm 129 24 100 44201 Ozone Maryland Harford

6/22/2010 24-025-9001 0.081 ppm 114 24 100 44201 Ozone Maryland Harford

6/22/2010 24-031-3001 0.077 ppm 104 24 100 44201 Ozone Maryland Montgomery

6/22/2010 24-033-0030 0.091 ppm 140 24 100 44201 Ozone Maryland Prince George's

6/22/2010 24-033-8003 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

6/22/2010 24-510-0054 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore (City)

6/22/2010 51-013-0020 0.079 ppm 109 24 100 44201 Ozone Virginia Arlington

6/22/2010 51-059-0030 0.071 ppm 87 24 100 44201 Ozone Virginia Fairfax

6/22/2010 51-061-0002 0.059 ppm 50 24 100 44201 Ozone Virginia Fauquier

6/22/2010 51-107-1005 0.066 ppm 71 24 100 44201 Ozone Virginia Loudoun

6/22/2010 51-153-0009 0.064 ppm 64 24 100 44201 Ozone Virginia Prince William

6/22/2010 51-179-0001 0.061 ppm 54 18 75 44201 Ozone Virginia Stafford

6/22/2010 51-510-0009 0.070 ppm 84 24 100 44201 Ozone Virginia Alexandria City

6/23/2010 11-001-0025 0.063 ppm 61 24 100 44201 Ozone District Of Columbia District of Columbia

6/23/2010 11-001-0041 0.068 ppm 77 24 100 44201 Ozone District Of Columbia District of Columbia

6/23/2010 11-001-0043 0.067 ppm 74 24 100 44201 Ozone District Of Columbia District of Columbia

6/23/2010 24-003-0014 0.072 ppm 90 24 100 44201 Ozone Maryland Anne Arundel
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/23/2010 24-005-1007 0.064 ppm 64 24 100 44201 Ozone Maryland Baltimore

6/23/2010 24-005-3001 0.069 ppm 80 24 100 44201 Ozone Maryland Baltimore

6/23/2010 24-009-0011 0.076 ppm 101 24 100 44201 Ozone Maryland Calvert

6/23/2010 24-017-0010 0.073 ppm 93 24 100 44201 Ozone Maryland Charles

6/23/2010 24-021-0037 0.064 ppm 64 24 100 44201 Ozone Maryland Frederick

6/23/2010 24-025-1001 0.082 ppm 116 24 100 44201 Ozone Maryland Harford

6/23/2010 24-025-9001 0.066 ppm 71 24 100 44201 Ozone Maryland Harford

6/23/2010 24-031-3001 0.069 ppm 80 24 100 44201 Ozone Maryland Montgomery

6/23/2010 24-033-0030 0.068 ppm 77 24 100 44201 Ozone Maryland Prince George's

6/23/2010 24-033-8003 0.073 ppm 93 24 100 44201 Ozone Maryland Prince George's

6/23/2010 24-510-0054 0.051 ppm 43 24 100 44201 Ozone Maryland Baltimore (City)

6/23/2010 51-013-0020 0.067 ppm 74 24 100 44201 Ozone Virginia Arlington

6/23/2010 51-059-0030 0.068 ppm 77 24 100 44201 Ozone Virginia Fairfax

6/23/2010 51-061-0002 0.047 ppm 40 24 100 44201 Ozone Virginia Fauquier

6/23/2010 51-107-1005 0.063 ppm 61 24 100 44201 Ozone Virginia Loudoun

6/23/2010 51-153-0009 0.058 ppm 49 24 100 44201 Ozone Virginia Prince William

6/23/2010 51-179-0001 0.057 ppm 48 24 100 44201 Ozone Virginia Stafford

6/23/2010 51-510-0009 0.064 ppm 64 18 75 44201 Ozone Virginia Alexandria City

6/24/2010 11-001-0025 0.051 ppm 43 24 100 44201 Ozone District Of Columbia District of Columbia

6/24/2010 11-001-0041 0.056 ppm 47 24 100 44201 Ozone District Of Columbia District of Columbia

6/24/2010 11-001-0043 0.053 ppm 45 24 100 44201 Ozone District Of Columbia District of Columbia

6/24/2010 24-003-0014 0.061 ppm 54 24 100 44201 Ozone Maryland Anne Arundel

6/24/2010 24-005-1007 0.051 ppm 43 24 100 44201 Ozone Maryland Baltimore

6/24/2010 24-005-3001 0.053 ppm 45 24 100 44201 Ozone Maryland Baltimore

6/24/2010 24-009-0011 0.054 ppm 46 24 100 44201 Ozone Maryland Calvert

6/24/2010 24-013-0001 0.055 ppm 47 24 100 44201 Ozone Maryland Carroll

6/24/2010 24-017-0010 0.053 ppm 45 24 100 44201 Ozone Maryland Charles

6/24/2010 24-021-0037 0.056 ppm 47 24 100 44201 Ozone Maryland Frederick

6/24/2010 24-025-1001 0.054 ppm 46 24 100 44201 Ozone Maryland Harford
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/24/2010 24-025-9001 0.053 ppm 45 24 100 44201 Ozone Maryland Harford

6/24/2010 24-031-3001 0.054 ppm 46 24 100 44201 Ozone Maryland Montgomery

6/24/2010 24-033-0030 0.053 ppm 45 24 100 44201 Ozone Maryland Prince George's

6/24/2010 24-033-8003 0.061 ppm 54 24 100 44201 Ozone Maryland Prince George's

6/24/2010 51-013-0020 0.052 ppm 44 24 100 44201 Ozone Virginia Arlington

6/24/2010 51-059-0018 0.054 ppm 46 24 100 44201 Ozone Virginia Fairfax

6/24/2010 51-059-0030 0.053 ppm 45 24 100 44201 Ozone Virginia Fairfax

6/24/2010 51-061-0002 0.037 ppm 31 24 100 44201 Ozone Virginia Fauquier

6/24/2010 51-107-1005 0.052 ppm 44 24 100 44201 Ozone Virginia Loudoun

6/24/2010 51-153-0009 0.048 ppm 41 24 100 44201 Ozone Virginia Prince William

6/24/2010 51-179-0001 0.047 ppm 40 24 100 44201 Ozone Virginia Stafford

6/24/2010 51-510-0009 0.050 ppm 42 24 100 44201 Ozone Virginia Alexandria City

6/25/2010 11-001-0025 0.064 ppm 64 24 100 44201 Ozone District Of Columbia District of Columbia

6/25/2010 11-001-0041 0.070 ppm 84 24 100 44201 Ozone District Of Columbia District of Columbia

6/25/2010 11-001-0043 0.071 ppm 87 24 100 44201 Ozone District Of Columbia District of Columbia

6/25/2010 24-003-0014 0.075 ppm 100 24 100 44201 Ozone Maryland Anne Arundel

6/25/2010 24-005-1007 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore

6/25/2010 24-005-3001 0.081 ppm 114 24 100 44201 Ozone Maryland Baltimore

6/25/2010 24-009-0011 0.067 ppm 74 24 100 44201 Ozone Maryland Calvert

6/25/2010 24-013-0001 0.06 ppm 51 24 100 44201 Ozone Maryland Carroll

6/25/2010 24-017-0010 0.073 ppm 93 24 100 44201 Ozone Maryland Charles

6/25/2010 24-021-0037 0.065 ppm 67 24 100 44201 Ozone Maryland Frederick

6/25/2010 24-025-1001 0.087 ppm 129 24 100 44201 Ozone Maryland Harford

6/25/2010 24-025-9001 0.061 ppm 54 24 100 44201 Ozone Maryland Harford

6/25/2010 24-031-3001 0.067 ppm 74 24 100 44201 Ozone Maryland Montgomery

6/25/2010 24-033-0030 0.069 ppm 80 24 100 44201 Ozone Maryland Prince George's

6/25/2010 24-033-8003 0.080 ppm 111 24 100 44201 Ozone Maryland Prince George's

6/25/2010 24-510-0054 0.058 ppm 49 24 100 44201 Ozone Maryland Baltimore (City)

6/25/2010 51-013-0020 0.066 ppm 71 24 100 44201 Ozone Virginia Arlington
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/25/2010 51-059-0030 0.071 ppm 87 24 100 44201 Ozone Virginia Fairfax

6/25/2010 51-061-0002 0.051 ppm 43 24 100 44201 Ozone Virginia Fauquier

6/25/2010 51-107-1005 0.062 ppm 58 24 100 44201 Ozone Virginia Loudoun

6/25/2010 51-153-0009 0.059 ppm 50 24 100 44201 Ozone Virginia Prince William

6/25/2010 51-179-0001 0.060 ppm 51 24 100 44201 Ozone Virginia Stafford

6/25/2010 51-510-0009 0.064 ppm 64 24 100 44201 Ozone Virginia Alexandria City

6/26/2010 11-001-0025 0.070 ppm 84 24 100 44201 Ozone District Of Columbia District of Columbia

6/26/2010 11-001-0041 0.075 ppm 100 24 100 44201 Ozone District Of Columbia District of Columbia

6/26/2010 11-001-0043 0.074 ppm 97 24 100 44201 Ozone District Of Columbia District of Columbia

6/26/2010 24-003-0014 0.065 ppm 67 24 100 44201 Ozone Maryland Anne Arundel

6/26/2010 24-005-1007 0.075 ppm 100 24 100 44201 Ozone Maryland Baltimore

6/26/2010 24-005-3001 0.078 ppm 106 24 100 44201 Ozone Maryland Baltimore

6/26/2010 24-009-0011 0.065 ppm 67 24 100 44201 Ozone Maryland Calvert

6/26/2010 24-013-0001 0.073 ppm 93 24 100 44201 Ozone Maryland Carroll

6/26/2010 24-017-0010 0.067 ppm 74 24 100 44201 Ozone Maryland Charles

6/26/2010 24-021-0037 0.073 ppm 93 24 100 44201 Ozone Maryland Frederick

6/26/2010 24-025-1001 0.087 ppm 129 24 100 44201 Ozone Maryland Harford

6/26/2010 24-025-9001 0.086 ppm 127 24 100 44201 Ozone Maryland Harford

6/26/2010 24-031-3001 0.073 ppm 93 24 100 44201 Ozone Maryland Montgomery

6/26/2010 24-033-0030 0.076 ppm 101 24 100 44201 Ozone Maryland Prince George's

6/26/2010 24-033-8003 0.069 ppm 80 24 100 44201 Ozone Maryland Prince George's

6/26/2010 24-510-0054 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore (City)

6/26/2010 51-013-0020 0.072 ppm 90 24 100 44201 Ozone Virginia Arlington

6/26/2010 51-059-0030 0.067 ppm 74 24 100 44201 Ozone Virginia Fairfax

6/26/2010 51-061-0002 0.054 ppm 46 24 100 44201 Ozone Virginia Fauquier

6/26/2010 51-107-1005 0.069 ppm 80 24 100 44201 Ozone Virginia Loudoun

6/26/2010 51-153-0009 0.066 ppm 71 24 100 44201 Ozone Virginia Prince William

6/26/2010 51-179-0001 0.064 ppm 64 24 100 44201 Ozone Virginia Stafford

6/26/2010 51-510-0009 0.066 ppm 71 24 100 44201 Ozone Virginia Alexandria City
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

6/27/2010 11-001-0025 0.057 ppm 48 24 100 44201 Ozone District Of Columbia District of Columbia

6/27/2010 11-001-0041 0.064 ppm 64 24 100 44201 Ozone District Of Columbia District of Columbia

6/27/2010 11-001-0043 0.061 ppm 54 24 100 44201 Ozone District Of Columbia District of Columbia

6/27/2010 24-003-0014 0.065 ppm 67 24 100 44201 Ozone Maryland Anne Arundel

6/27/2010 24-005-1007 0.058 ppm 49 24 100 44201 Ozone Maryland Baltimore

6/27/2010 24-005-3001 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore

6/27/2010 24-009-0011 0.061 ppm 54 24 100 44201 Ozone Maryland Calvert

6/27/2010 24-013-0001 0.058 ppm 49 24 100 44201 Ozone Maryland Carroll

6/27/2010 24-017-0010 0.057 ppm 48 24 100 44201 Ozone Maryland Charles

6/27/2010 24-021-0037 0.059 ppm 50 24 100 44201 Ozone Maryland Frederick

6/27/2010 24-025-1001 0.079 ppm 109 24 100 44201 Ozone Maryland Harford

6/27/2010 24-025-9001 0.06 ppm 51 24 100 44201 Ozone Maryland Harford

6/27/2010 24-031-3001 0.061 ppm 54 24 100 44201 Ozone Maryland Montgomery

6/27/2010 24-033-0030 0.061 ppm 54 24 100 44201 Ozone Maryland Prince George's

6/27/2010 24-033-8003 0.065 ppm 67 24 100 44201 Ozone Maryland Prince George's

6/27/2010 24-510-0054 0.046 ppm 39 24 100 44201 Ozone Maryland Baltimore (City)

6/27/2010 51-013-0020 0.060 ppm 51 24 100 44201 Ozone Virginia Arlington

6/27/2010 51-059-0018 0.057 ppm 48 24 100 44201 Ozone Virginia Fairfax

6/27/2010 51-059-0030 0.058 ppm 49 24 100 44201 Ozone Virginia Fairfax

6/27/2010 51-061-0002 0.046 ppm 39 24 100 44201 Ozone Virginia Fauquier

6/27/2010 51-107-1005 0.055 ppm 47 24 100 44201 Ozone Virginia Loudoun

6/27/2010 51-153-0009 0.053 ppm 45 24 100 44201 Ozone Virginia Prince William

6/27/2010 51-179-0001 0.053 ppm 45 24 100 44201 Ozone Virginia Stafford

6/27/2010 51-510-0009 0.058 ppm 49 24 100 44201 Ozone Virginia Alexandria City

7/3/2010 11-001-0025 0.073 ppm 93 24 100 44201 Ozone District Of Columbia District of Columbia

7/3/2010 11-001-0041 0.076 ppm 101 24 100 44201 Ozone District Of Columbia District of Columbia

7/3/2010 11-001-0043 0.078 ppm 106 24 100 44201 Ozone District Of Columbia District of Columbia

7/3/2010 24-003-0014 0.064 ppm 64 24 100 44201 Ozone Maryland Anne Arundel
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/3/2010 24-005-1007 0.059 ppm 50 24 100 44201 Ozone Maryland Baltimore

7/3/2010 24-005-3001 0.07 ppm 84 24 100 44201 Ozone Maryland Baltimore

7/3/2010 24-009-0011 0.061 ppm 54 24 100 44201 Ozone Maryland Calvert

7/3/2010 24-013-0001 0.061 ppm 54 24 100 44201 Ozone Maryland Carroll

7/3/2010 24-017-0010 0.061 ppm 54 24 100 44201 Ozone Maryland Charles

7/3/2010 24-021-0037 0.058 ppm 49 24 100 44201 Ozone Maryland Frederick

7/3/2010 24-025-1001 0.08 ppm 111 24 100 44201 Ozone Maryland Harford

7/3/2010 24-025-9001 0.067 ppm 74 24 100 44201 Ozone Maryland Harford

7/3/2010 24-031-3001 0.068 ppm 77 24 100 44201 Ozone Maryland Montgomery

7/3/2010 24-033-0030 0.082 ppm 116 24 100 44201 Ozone Maryland Prince George's

7/3/2010 24-033-8003 0.063 ppm 61 24 100 44201 Ozone Maryland Prince George's

7/3/2010 24-510-0054 0.056 ppm 47 24 100 44201 Ozone Maryland Baltimore (City)

7/3/2010 51-013-0020 0.069 ppm 80 24 100 44201 Ozone Virginia Arlington

7/3/2010 51-059-0030 0.065 ppm 67 24 100 44201 Ozone Virginia Fairfax

7/3/2010 51-061-0002 0.054 ppm 46 24 100 44201 Ozone Virginia Fauquier

7/3/2010 51-107-1005 0.062 ppm 58 24 100 44201 Ozone Virginia Loudoun

7/3/2010 51-153-0009 0.059 ppm 50 24 100 44201 Ozone Virginia Prince William

7/3/2010 51-179-0001 0.062 ppm 58 24 100 44201 Ozone Virginia Stafford

7/3/2010 51-510-0009 0.062 ppm 58 24 100 44201 Ozone Virginia Alexandria City

7/4/2010 11-001-0025 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

7/4/2010 11-001-0041 0.086 ppm 127 24 100 44201 Ozone District Of Columbia District of Columbia

7/4/2010 11-001-0043 0.078 ppm 106 24 100 44201 Ozone District Of Columbia District of Columbia

7/4/2010 24-003-0014 0.073 ppm 93 24 100 44201 Ozone Maryland Anne Arundel

7/4/2010 24-005-1007 0.067 ppm 74 24 100 44201 Ozone Maryland Baltimore

7/4/2010 24-005-3001 0.08 ppm 111 24 100 44201 Ozone Maryland Baltimore

7/4/2010 24-009-0011 0.067 ppm 74 24 100 44201 Ozone Maryland Calvert

7/4/2010 24-013-0001 0.07 ppm 84 24 100 44201 Ozone Maryland Carroll

7/4/2010 24-017-0010 0.063 ppm 61 24 100 44201 Ozone Maryland Charles

7/4/2010 24-021-0037 0.071 ppm 87 24 100 44201 Ozone Maryland Frederick
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/4/2010 24-025-1001 0.09 ppm 137 24 100 44201 Ozone Maryland Harford

7/4/2010 24-025-9001 0.074 ppm 97 24 100 44201 Ozone Maryland Harford

7/4/2010 24-031-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Montgomery

7/4/2010 24-033-0030 0.076 ppm 101 24 100 44201 Ozone Maryland Prince George's

7/4/2010 24-033-8003 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

7/4/2010 24-510-0054 0.064 ppm 64 24 100 44201 Ozone Maryland Baltimore (City)

7/4/2010 51-013-0020 0.078 ppm 106 24 100 44201 Ozone Virginia Arlington

7/4/2010 51-059-0030 0.076 ppm 101 24 100 44201 Ozone Virginia Fairfax

7/4/2010 51-061-0002 0.059 ppm 50 24 100 44201 Ozone Virginia Fauquier

7/4/2010 51-107-1005 0.062 ppm 58 24 100 44201 Ozone Virginia Loudoun

7/4/2010 51-153-0009 0.059 ppm 50 24 100 44201 Ozone Virginia Prince William

7/4/2010 51-179-0001 0.066 ppm 71 24 100 44201 Ozone Virginia Stafford

7/4/2010 51-510-0009 0.074 ppm 97 24 100 44201 Ozone Virginia Alexandria City

7/5/2010 11-001-0025 0.065 ppm 67 24 100 44201 Ozone District Of Columbia District of Columbia

7/5/2010 11-001-0041 0.073 ppm 93 24 100 44201 Ozone District Of Columbia District of Columbia

7/5/2010 11-001-0043 0.071 ppm 87 24 100 44201 Ozone District Of Columbia District of Columbia

7/5/2010 24-003-0014 0.077 ppm 104 24 100 44201 Ozone Maryland Anne Arundel

7/5/2010 24-005-1007 0.073 ppm 93 24 100 44201 Ozone Maryland Baltimore

7/5/2010 24-005-3001 0.084 ppm 122 24 100 44201 Ozone Maryland Baltimore

7/5/2010 24-009-0011 0.082 ppm 116 24 100 44201 Ozone Maryland Calvert

7/5/2010 24-013-0001 0.073 ppm 93 24 100 44201 Ozone Maryland Carroll

7/5/2010 24-017-0010 0.080 ppm 111 24 100 44201 Ozone Maryland Charles

7/5/2010 24-021-0037 0.068 ppm 77 24 100 44201 Ozone Maryland Frederick

7/5/2010 24-025-1001 0.097 ppm 154 24 100 44201 Ozone Maryland Harford

7/5/2010 24-025-9001 0.078 ppm 106 24 100 44201 Ozone Maryland Harford

7/5/2010 24-031-3001 0.069 ppm 80 24 100 44201 Ozone Maryland Montgomery

7/5/2010 24-033-0030 0.069 ppm 80 24 100 44201 Ozone Maryland Prince George's

7/5/2010 24-033-8003 0.080 ppm 111 24 100 44201 Ozone Maryland Prince George's

7/5/2010 24-510-0054 0.06 ppm 51 24 100 44201 Ozone Maryland Baltimore (City)
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/5/2010 51-013-0020 0.071 ppm 87 24 100 44201 Ozone Virginia Arlington

7/5/2010 51-059-0030 0.072 ppm 90 24 100 44201 Ozone Virginia Fairfax

7/5/2010 51-061-0002 0.058 ppm 49 24 100 44201 Ozone Virginia Fauquier

7/5/2010 51-107-1005 0.064 ppm 64 24 100 44201 Ozone Virginia Loudoun

7/5/2010 51-153-0009 0.062 ppm 58 24 100 44201 Ozone Virginia Prince William

7/5/2010 51-179-0001 0.069 ppm 80 24 100 44201 Ozone Virginia Stafford

7/5/2010 51-510-0009 0.069 ppm 80 24 100 44201 Ozone Virginia Alexandria City

7/6/2010 11-001-0025 0.073 ppm 93 24 100 44201 Ozone District Of Columbia District of Columbia

7/6/2010 11-001-0041 0.079 ppm 109 24 100 44201 Ozone District Of Columbia District of Columbia

7/6/2010 11-001-0043 0.082 ppm 116 24 100 44201 Ozone District Of Columbia District of Columbia

7/6/2010 24-003-0014 0.099 ppm 159 24 100 44201 Ozone Maryland Anne Arundel

7/6/2010 24-005-1007 0.072 ppm 90 24 100 44201 Ozone Maryland Baltimore

7/6/2010 24-005-3001 0.09 ppm 137 24 100 44201 Ozone Maryland Baltimore

7/6/2010 24-009-0011 0.087 ppm 129 24 100 44201 Ozone Maryland Calvert

7/6/2010 24-013-0001 0.078 ppm 106 24 100 44201 Ozone Maryland Carroll

7/6/2010 24-017-0010 0.087 ppm 129 24 100 44201 Ozone Maryland Charles

7/6/2010 24-021-0037 0.084 ppm 122 24 100 44201 Ozone Maryland Frederick

7/6/2010 24-025-1001 0.092 ppm 142 24 100 44201 Ozone Maryland Harford

7/6/2010 24-025-9001 0.07 ppm 84 24 100 44201 Ozone Maryland Harford

7/6/2010 24-031-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Montgomery

7/6/2010 24-033-0030 0.076 ppm 101 24 100 44201 Ozone Maryland Prince George's

7/6/2010 24-033-8003 0.090 ppm 137 24 100 44201 Ozone Maryland Prince George's

7/6/2010 24-510-0054 0.064 ppm 64 24 100 44201 Ozone Maryland Baltimore (City)

7/6/2010 51-013-0020 0.076 ppm 101 24 100 44201 Ozone Virginia Arlington

7/6/2010 51-059-0030 0.078 ppm 106 24 100 44201 Ozone Virginia Fairfax

7/6/2010 51-061-0002 0.060 ppm 51 24 100 44201 Ozone Virginia Fauquier

7/6/2010 51-107-1005 0.071 ppm 87 24 100 44201 Ozone Virginia Loudoun

7/6/2010 51-153-0009 0.060 ppm 51 24 100 44201 Ozone Virginia Prince William

7/6/2010 51-179-0001 0.068 ppm 77 24 100 44201 Ozone Virginia Stafford
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/6/2010 51-510-0009 0.070 ppm 84 24 100 44201 Ozone Virginia Alexandria City

7/7/2010 11-001-0025 0.087 ppm 129 24 100 44201 Ozone District Of Columbia District of Columbia

7/7/2010 11-001-0041 0.096 ppm 151 24 100 44201 Ozone District Of Columbia District of Columbia

7/7/2010 11-001-0043 0.100 ppm 161 24 100 44201 Ozone District Of Columbia District of Columbia

7/7/2010 24-003-0014 0.082 ppm 116 24 100 44201 Ozone Maryland Anne Arundel

7/7/2010 24-005-1007 0.073 ppm 93 24 100 44201 Ozone Maryland Baltimore

7/7/2010 24-005-3001 0.084 ppm 122 24 100 44201 Ozone Maryland Baltimore

7/7/2010 24-009-0011 0.090 ppm 137 24 100 44201 Ozone Maryland Calvert

7/7/2010 24-013-0001 0.085 ppm 124 24 100 44201 Ozone Maryland Carroll

7/7/2010 24-017-0010 0.082 ppm 116 24 100 44201 Ozone Maryland Charles

7/7/2010 24-021-0037 0.077 ppm 104 24 100 44201 Ozone Maryland Frederick

7/7/2010 24-025-1001 0.088 ppm 132 24 100 44201 Ozone Maryland Harford

7/7/2010 24-025-9001 0.072 ppm 90 24 100 44201 Ozone Maryland Harford

7/7/2010 24-031-3001 0.074 ppm 97 24 100 44201 Ozone Maryland Montgomery

7/7/2010 24-033-0030 0.094 ppm 147 24 100 44201 Ozone Maryland Prince George's

7/7/2010 24-033-8003 0.085 ppm 124 23 96 44201 Ozone Maryland Prince George's

7/7/2010 24-510-0054 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore (City)

7/7/2010 51-013-0020 0.092 ppm 142 24 100 44201 Ozone Virginia Arlington

7/7/2010 51-059-0030 0.095 ppm 150 24 100 44201 Ozone Virginia Fairfax

7/7/2010 51-061-0002 0.072 ppm 90 24 100 44201 Ozone Virginia Fauquier

7/7/2010 51-107-1005 0.084 ppm 122 24 100 44201 Ozone Virginia Loudoun

7/7/2010 51-153-0009 0.075 ppm 100 24 100 44201 Ozone Virginia Prince William

7/7/2010 51-179-0001 0.088 ppm 132 24 100 44201 Ozone Virginia Stafford

7/7/2010 51-510-0009 0.092 ppm 142 24 100 44201 Ozone Virginia Alexandria City

7/8/2010 11-001-0025 0.056 ppm 47 24 100 44201 Ozone District Of Columbia District of Columbia

7/8/2010 11-001-0041 0.056 ppm 47 24 100 44201 Ozone District Of Columbia District of Columbia

7/8/2010 11-001-0043 0.058 ppm 49 24 100 44201 Ozone District Of Columbia District of Columbia

7/8/2010 24-003-0014 0.053 ppm 45 24 100 44201 Ozone Maryland Anne Arundel
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/8/2010 24-005-1007 0.061 ppm 54 24 100 44201 Ozone Maryland Baltimore

7/8/2010 24-005-3001 0.053 ppm 45 24 100 44201 Ozone Maryland Baltimore

7/8/2010 24-009-0011 0.045 ppm 38 24 100 44201 Ozone Maryland Calvert

7/8/2010 24-013-0001 0.083 ppm 119 24 100 44201 Ozone Maryland Carroll

7/8/2010 24-017-0010 0.044 ppm 37 24 100 44201 Ozone Maryland Charles

7/8/2010 24-021-0037 0.093 ppm 145 24 100 44201 Ozone Maryland Frederick

7/8/2010 24-025-1001 0.057 ppm 48 24 100 44201 Ozone Maryland Harford

7/8/2010 24-025-9001 0.05 ppm 42 24 100 44201 Ozone Maryland Harford

7/8/2010 24-031-3001 0.073 ppm 93 24 100 44201 Ozone Maryland Montgomery

7/8/2010 24-033-0030 0.061 ppm 54 24 100 44201 Ozone Maryland Prince George's

7/8/2010 51-013-0020 0.060 ppm 51 24 100 44201 Ozone Virginia Arlington

7/8/2010 51-059-0030 0.058 ppm 49 24 100 44201 Ozone Virginia Fairfax

7/8/2010 51-061-0002 0.065 ppm 67 24 100 44201 Ozone Virginia Fauquier

7/8/2010 51-107-1005 0.092 ppm 142 24 100 44201 Ozone Virginia Loudoun

7/8/2010 51-153-0009 0.093 ppm 145 24 100 44201 Ozone Virginia Prince William

7/8/2010 51-179-0001 0.058 ppm 49 24 100 44201 Ozone Virginia Stafford

7/8/2010 51-510-0009 0.055 ppm 47 24 100 44201 Ozone Virginia Alexandria City

7/23/2010 11-001-0025 0.035 ppm 30 24 100 44201 Ozone District Of Columbia District of Columbia

7/23/2010 11-001-0041 0.075 ppm 100 24 100 44201 Ozone District Of Columbia District of Columbia

7/23/2010 11-001-0043 0.070 ppm 84 24 100 44201 Ozone District Of Columbia District of Columbia

7/23/2010 24-003-0014 0.082 ppm 116 24 100 44201 Ozone Maryland Anne Arundel

7/23/2010 24-005-1007 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore

7/23/2010 24-005-3001 0.082 ppm 116 24 100 44201 Ozone Maryland Baltimore

7/23/2010 24-009-0011 0.058 ppm 49 24 100 44201 Ozone Maryland Calvert

7/23/2010 24-013-0001 0.063 ppm 61 24 100 44201 Ozone Maryland Carroll

7/23/2010 24-017-0010 0.061 ppm 54 24 100 44201 Ozone Maryland Charles

7/23/2010 24-021-0037 0.059 ppm 50 24 100 44201 Ozone Maryland Frederick

7/23/2010 24-025-1001 0.101 ppm 164 24 100 44201 Ozone Maryland Harford
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/23/2010 24-025-9001 0.086 ppm 127 24 100 44201 Ozone Maryland Harford

7/23/2010 24-031-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Montgomery

7/23/2010 24-033-0030 0.074 ppm 97 24 100 44201 Ozone Maryland Prince George's

7/23/2010 24-033-8003 0.075 ppm 100 24 100 44201 Ozone Maryland Prince George's

7/23/2010 51-013-0020 0.065 ppm 67 24 100 44201 Ozone Virginia Arlington

7/23/2010 51-059-0030 0.065 ppm 67 24 100 44201 Ozone Virginia Fairfax

7/23/2010 51-061-0002 0.050 ppm 42 24 100 44201 Ozone Virginia Fauquier

7/23/2010 51-107-1005 0.058 ppm 49 24 100 44201 Ozone Virginia Loudoun

7/23/2010 51-153-0009 0.055 ppm 47 24 100 44201 Ozone Virginia Prince William

7/23/2010 51-179-0001 0.051 ppm 43 24 100 44201 Ozone Virginia Stafford

7/23/2010 51-510-0009 0.066 ppm 71 24 100 44201 Ozone Virginia Alexandria City

7/31/2010 11-001-0025 0.066 ppm 71 24 100 44201 Ozone District Of Columbia District of Columbia

7/31/2010 11-001-0041 0.070 ppm 84 24 100 44201 Ozone District Of Columbia District of Columbia

7/31/2010 11-001-0043 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

7/31/2010 24-003-0014 0.067 ppm 74 24 100 44201 Ozone Maryland Anne Arundel

7/31/2010 24-005-1007 0.076 ppm 101 24 100 44201 Ozone Maryland Baltimore

7/31/2010 24-005-3001 0.075 ppm 100 24 100 44201 Ozone Maryland Baltimore

7/31/2010 24-009-0011 0.062 ppm 58 24 100 44201 Ozone Maryland Calvert

7/31/2010 24-013-0001 0.066 ppm 71 24 100 44201 Ozone Maryland Carroll

7/31/2010 24-017-0010 0.065 ppm 67 24 100 44201 Ozone Maryland Charles

7/31/2010 24-021-0037 0.064 ppm 64 24 100 44201 Ozone Maryland Frederick

7/31/2010 24-025-1001 0.078 ppm 106 24 100 44201 Ozone Maryland Harford

7/31/2010 24-025-9001 0.06 ppm 51 24 100 44201 Ozone Maryland Harford

7/31/2010 24-031-3001 0.062 ppm 58 24 100 44201 Ozone Maryland Montgomery

7/31/2010 24-033-0030 0.073 ppm 93 24 100 44201 Ozone Maryland Prince George's

7/31/2010 24-033-8003 0.066 ppm 71 24 100 44201 Ozone Maryland Prince George's

7/31/2010 24-510-0054 0.07 ppm 84 24 100 44201 Ozone Maryland Baltimore (City)

7/31/2010 51-013-0020 0.069 ppm 80 24 100 44201 Ozone Virginia Arlington

7/31/2010 51-059-0030 0.064 ppm 64 24 100 44201 Ozone Virginia Fairfax
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

7/31/2010 51-061-0002 0.056 ppm 47 24 100 44201 Ozone Virginia Fauquier

7/31/2010 51-107-1005 0.061 ppm 54 24 100 44201 Ozone Virginia Loudoun

7/31/2010 51-153-0009 0.059 ppm 50 24 100 44201 Ozone Virginia Prince William

7/31/2010 51-179-0001 0.065 ppm 67 24 100 44201 Ozone Virginia Stafford

7/31/2010 51-510-0009 0.065 ppm 67 24 100 44201 Ozone Virginia Alexandria City

8/9/2010 11-001-0025 0.072 ppm 90 24 100 44201 Ozone District Of Columbia District of Columbia

8/9/2010 11-001-0041 0.070 ppm 84 24 100 44201 Ozone District Of Columbia District of Columbia

8/9/2010 11-001-0043 0.066 ppm 71 24 100 44201 Ozone District Of Columbia District of Columbia

8/9/2010 24-003-0014 0.065 ppm 67 24 100 44201 Ozone Maryland Anne Arundel

8/9/2010 24-005-1007 0.076 ppm 101 24 100 44201 Ozone Maryland Baltimore

8/9/2010 24-005-3001 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore

8/9/2010 24-009-0011 0.060 ppm 51 24 100 44201 Ozone Maryland Calvert

8/9/2010 24-013-0001 0.072 ppm 90 24 100 44201 Ozone Maryland Carroll

8/9/2010 24-017-0010 0.051 ppm 43 18 75 44201 Ozone Maryland Charles

8/9/2010 24-021-0037 0.071 ppm 87 24 100 44201 Ozone Maryland Frederick

8/9/2010 24-025-1001 0.076 ppm 101 24 100 44201 Ozone Maryland Harford

8/9/2010 24-025-9001 0.067 ppm 74 24 100 44201 Ozone Maryland Harford

8/9/2010 24-031-3001 0.070 ppm 84 24 100 44201 Ozone Maryland Montgomery

8/9/2010 24-033-0030 0.079 ppm 109 24 100 44201 Ozone Maryland Prince George's

8/9/2010 24-033-8003 0.059 ppm 50 24 100 44201 Ozone Maryland Prince George's

8/9/2010 24-510-0054 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore (City)

8/9/2010 51-013-0020 0.068 ppm 77 24 100 44201 Ozone Virginia Arlington

8/9/2010 51-059-0030 0.065 ppm 67 24 100 44201 Ozone Virginia Fairfax

8/9/2010 51-061-0002 0.053 ppm 45 24 100 44201 Ozone Virginia Fauquier

8/9/2010 51-107-1005 0.065 ppm 67 24 100 44201 Ozone Virginia Loudoun

8/9/2010 51-153-0009 0.060 ppm 51 24 100 44201 Ozone Virginia Prince William

8/9/2010 51-179-0001 0.058 ppm 49 24 100 44201 Ozone Virginia Stafford

8/9/2010 51-510-0009 0.062 ppm 58 24 100 44201 Ozone Virginia Alexandria City
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/10/2010 11-001-0025 0.080 ppm 111 24 100 44201 Ozone District Of Columbia District of Columbia

8/10/2010 11-001-0041 0.090 ppm 137 24 100 44201 Ozone District Of Columbia District of Columbia

8/10/2010 11-001-0043 0.080 ppm 111 24 100 44201 Ozone District Of Columbia District of Columbia

8/10/2010 24-003-0014 0.099 ppm 159 24 100 44201 Ozone Maryland Anne Arundel

8/10/2010 24-005-1007 0.086 ppm 127 24 100 44201 Ozone Maryland Baltimore

8/10/2010 24-005-3001 0.115 ppm 200 24 100 44201 Ozone Maryland Baltimore

8/10/2010 24-009-0011 0.079 ppm 109 24 100 44201 Ozone Maryland Calvert

8/10/2010 24-013-0001 0.083 ppm 119 24 100 44201 Ozone Maryland Carroll

8/10/2010 24-017-0010 0.077 ppm 104 24 100 44201 Ozone Maryland Charles

8/10/2010 24-021-0037 0.085 ppm 124 24 100 44201 Ozone Maryland Frederick

8/10/2010 24-025-1001 0.11 ppm 187 24 100 44201 Ozone Maryland Harford

8/10/2010 24-025-9001 0.075 ppm 100 24 100 44201 Ozone Maryland Harford

8/10/2010 24-031-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Montgomery

8/10/2010 24-033-0030 0.082 ppm 116 24 100 44201 Ozone Maryland Prince George's

8/10/2010 24-033-8003 0.090 ppm 137 24 100 44201 Ozone Maryland Prince George's

8/10/2010 24-510-0054 0.1 ppm 161 24 100 44201 Ozone Maryland Baltimore (City)

8/10/2010 51-013-0020 0.088 ppm 132 17 71 44201 Ozone Virginia Arlington

8/10/2010 51-059-0030 0.082 ppm 116 24 100 44201 Ozone Virginia Fairfax

8/10/2010 51-061-0002 0.059 ppm 50 24 100 44201 Ozone Virginia Fauquier

8/10/2010 51-107-1005 0.072 ppm 90 24 100 44201 Ozone Virginia Loudoun

8/10/2010 51-153-0009 0.066 ppm 71 24 100 44201 Ozone Virginia Prince William

8/10/2010 51-179-0001 0.070 ppm 84 24 100 44201 Ozone Virginia Stafford

8/10/2010 51-510-0009 0.081 ppm 114 24 100 44201 Ozone Virginia Alexandria City

8/10/2010 51-510-0009 0.081 ppm 114 24 100 44201 Ozone Virginia Alexandria City

8/11/2010 11-001-0025 0.079 ppm 109 24 100 44201 Ozone District Of Columbia District of Columbia

8/11/2010 11-001-0041 0.085 ppm 124 24 100 44201 Ozone District Of Columbia District of Columbia

8/11/2010 11-001-0043 0.081 ppm 114 24 100 44201 Ozone District Of Columbia District of Columbia

8/11/2010 24-003-0014 0.096 ppm 151 24 100 44201 Ozone Maryland Anne Arundel

8/11/2010 24-005-1007 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore

8/11/2010 24-005-3001 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/11/2010 24-009-0011 0.097 ppm 154 24 100 44201 Ozone Maryland Calvert

8/11/2010 24-013-0001 0.071 ppm 87 24 100 44201 Ozone Maryland Carroll

8/11/2010 24-017-0010 0.093 ppm 145 24 100 44201 Ozone Maryland Charles

8/11/2010 24-021-0037 0.071 ppm 87 24 100 44201 Ozone Maryland Frederick

8/11/2010 24-025-1001 0.072 ppm 90 24 100 44201 Ozone Maryland Harford

8/11/2010 24-025-9001 0.06 ppm 51 24 100 44201 Ozone Maryland Harford

8/11/2010 24-031-3001 0.069 ppm 80 24 100 44201 Ozone Maryland Montgomery

8/11/2010 24-033-0030 0.080 ppm 111 24 100 44201 Ozone Maryland Prince George's

8/11/2010 24-033-8003 0.088 ppm 132 24 100 44201 Ozone Maryland Prince George's

8/11/2010 24-510-0054 0.065 ppm 67 18 75 44201 Ozone Maryland Baltimore (City)

8/11/2010 51-013-0020 0.085 ppm 124 24 100 44201 Ozone Virginia Arlington

8/11/2010 51-059-0030 0.089 ppm 135 24 100 44201 Ozone Virginia Fairfax

8/11/2010 51-061-0002 0.057 ppm 48 24 100 44201 Ozone Virginia Fauquier

8/11/2010 51-107-1005 0.072 ppm 90 24 100 44201 Ozone Virginia Loudoun

8/11/2010 51-153-0009 0.065 ppm 67 24 100 44201 Ozone Virginia Prince William

8/11/2010 51-179-0001 0.072 ppm 90 24 100 44201 Ozone Virginia Stafford

8/11/2010 51-510-0009 0.082 ppm 116 24 100 44201 Ozone Virginia Alexandria City

8/11/2010 51-510-0009 0.082 ppm 116 24 100 44201 Ozone Virginia Alexandria City

8/17/2010 11-001-0025 0.078 ppm 106 24 100 44201 Ozone District Of Columbia District of Columbia

8/17/2010 11-001-0041 0.089 ppm 135 24 100 44201 Ozone District Of Columbia District of Columbia

8/17/2010 11-001-0043 0.079 ppm 109 24 100 44201 Ozone District Of Columbia District of Columbia

8/17/2010 24-003-0014 0.081 ppm 114 13 54 44201 Ozone Maryland Anne Arundel

8/17/2010 24-005-1007 0.058 ppm 49 24 100 44201 Ozone Maryland Baltimore

8/17/2010 24-005-3001 0.075 ppm 100 24 100 44201 Ozone Maryland Baltimore

8/17/2010 24-009-0011 0.064 ppm 64 24 100 44201 Ozone Maryland Calvert

8/17/2010 24-013-0001 0.065 ppm 67 24 100 44201 Ozone Maryland Carroll

8/17/2010 24-017-0010 0.064 ppm 64 24 100 44201 Ozone Maryland Charles

8/17/2010 24-021-0037 0.072 ppm 90 24 100 44201 Ozone Maryland Frederick
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/17/2010 24-025-1001 0.066 ppm 71 24 100 44201 Ozone Maryland Harford

8/17/2010 24-025-9001 0.053 ppm 45 24 100 44201 Ozone Maryland Harford

8/17/2010 24-031-3001 0.062 ppm 58 24 100 44201 Ozone Maryland Montgomery

8/17/2010 24-033-0030 0.070 ppm 84 24 100 44201 Ozone Maryland Prince George's

8/17/2010 24-033-8003 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

8/17/2010 24-510-0054 0.059 ppm 50 24 100 44201 Ozone Maryland Baltimore (City)

8/17/2010 51-013-0020 0.089 ppm 135 24 100 44201 Ozone Virginia Arlington

8/17/2010 51-059-0030 0.089 ppm 135 24 100 44201 Ozone Virginia Fairfax

8/17/2010 51-061-0002 0.069 ppm 80 24 100 44201 Ozone Virginia Fauquier

8/17/2010 51-107-1005 0.072 ppm 90 24 100 44201 Ozone Virginia Loudoun

8/17/2010 51-153-0009 0.064 ppm 64 24 100 44201 Ozone Virginia Prince William

8/17/2010 51-179-0001 0.078 ppm 106 24 100 44201 Ozone Virginia Stafford

8/17/2010 51-510-0009 0.085 ppm 124 24 100 44201 Ozone Virginia Alexandria City

8/18/2010 11-001-0025 0.050 ppm 42 24 100 44201 Ozone District Of Columbia District of Columbia

8/18/2010 11-001-0041 0.046 ppm 39 24 100 44201 Ozone District Of Columbia District of Columbia

8/18/2010 11-001-0043 0.050 ppm 42 24 100 44201 Ozone District Of Columbia District of Columbia

8/18/2010 24-003-0014 0.051 ppm 43 24 100 44201 Ozone Maryland Anne Arundel

8/18/2010 24-005-1007 0.044 ppm 37 24 100 44201 Ozone Maryland Baltimore

8/18/2010 24-005-3001 0.047 ppm 40 24 100 44201 Ozone Maryland Baltimore

8/18/2010 24-009-0011 0.044 ppm 37 24 100 44201 Ozone Maryland Calvert

8/18/2010 24-013-0001 0.045 ppm 38 24 100 44201 Ozone Maryland Carroll

8/18/2010 24-017-0010 0.040 ppm 34 24 100 44201 Ozone Maryland Charles

8/18/2010 24-021-0037 0.045 ppm 38 24 100 44201 Ozone Maryland Frederick

8/18/2010 24-025-1001 0.052 ppm 44 24 100 44201 Ozone Maryland Harford

8/18/2010 24-025-9001 0.04 ppm 34 24 100 44201 Ozone Maryland Harford

8/18/2010 24-031-3001 0.042 ppm 36 24 100 44201 Ozone Maryland Montgomery

8/18/2010 24-033-0030 0.051 ppm 43 24 100 44201 Ozone Maryland Prince George's

8/18/2010 24-033-8003 0.044 ppm 37 24 100 44201 Ozone Maryland Prince George's

8/18/2010 24-510-0054 0.039 ppm 33 24 100 44201 Ozone Maryland Baltimore (City)
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/18/2010 51-013-0020 0.044 ppm 37 24 100 44201 Ozone Virginia Arlington

8/18/2010 51-059-0030 0.044 ppm 37 24 100 44201 Ozone Virginia Fairfax

8/18/2010 51-061-0002 0.036 ppm 31 24 100 44201 Ozone Virginia Fauquier

8/18/2010 51-107-1005 0.044 ppm 37 18 75 44201 Ozone Virginia Loudoun

8/18/2010 51-153-0009 0.043 ppm 36 24 100 44201 Ozone Virginia Prince William

8/18/2010 51-179-0001 0.044 ppm 37 24 100 44201 Ozone Virginia Stafford

8/19/2010 11-001-0025 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

8/19/2010 11-001-0041 0.086 ppm 127 24 100 44201 Ozone District Of Columbia District of Columbia

8/19/2010 11-001-0043 0.081 ppm 114 24 100 44201 Ozone District Of Columbia District of Columbia

8/19/2010 24-003-0014 0.074 ppm 97 24 100 44201 Ozone Maryland Anne Arundel

8/19/2010 24-005-1007 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore

8/19/2010 24-005-3001 0.087 ppm 129 24 100 44201 Ozone Maryland Baltimore

8/19/2010 24-009-0011 0.068 ppm 77 24 100 44201 Ozone Maryland Calvert

8/19/2010 24-013-0001 0.063 ppm 61 24 100 44201 Ozone Maryland Carroll

8/19/2010 24-017-0010 0.063 ppm 61 24 100 44201 Ozone Maryland Charles

8/19/2010 24-021-0037 0.061 ppm 54 24 100 44201 Ozone Maryland Frederick

8/19/2010 24-025-1001 0.093 ppm 145 24 100 44201 Ozone Maryland Harford

8/19/2010 24-025-9001 0.072 ppm 90 24 100 44201 Ozone Maryland Harford

8/19/2010 24-031-3001 0.067 ppm 74 24 100 44201 Ozone Maryland Montgomery

8/19/2010 24-033-0030 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

8/19/2010 24-033-8003 0.071 ppm 87 24 100 44201 Ozone Maryland Prince George's

8/19/2010 24-510-0054 0.075 ppm 100 24 100 44201 Ozone Maryland Baltimore (City)

8/19/2010 51-013-0020 0.075 ppm 100 24 100 44201 Ozone Virginia Arlington

8/19/2010 51-059-0030 0.078 ppm 106 24 100 44201 Ozone Virginia Fairfax

8/19/2010 51-061-0002 0.050 ppm 42 24 100 44201 Ozone Virginia Fauquier

8/19/2010 51-107-1005 0.057 ppm 48 24 100 44201 Ozone Virginia Loudoun

8/19/2010 51-153-0009 0.054 ppm 46 24 100 44201 Ozone Virginia Prince William

8/19/2010 51-179-0001 0.061 ppm 54 24 100 44201 Ozone Virginia Stafford

8/19/2010 51-510-0009 0.077 ppm 104 24 100 44201 Ozone Virginia Alexandria City
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/20/2010 11-001-0025 0.074 ppm 97 24 100 44201 Ozone District Of Columbia District of Columbia

8/20/2010 11-001-0041 0.079 ppm 109 24 100 44201 Ozone District Of Columbia District of Columbia

8/20/2010 11-001-0043 0.081 ppm 114 24 100 44201 Ozone District Of Columbia District of Columbia

8/20/2010 24-003-0014 0.084 ppm 122 24 100 44201 Ozone Maryland Anne Arundel

8/20/2010 24-005-1007 0.065 ppm 67 24 100 44201 Ozone Maryland Baltimore

8/20/2010 24-005-3001 0.076 ppm 101 24 100 44201 Ozone Maryland Baltimore

8/20/2010 24-009-0011 0.066 ppm 71 24 100 44201 Ozone Maryland Calvert

8/20/2010 24-013-0001 0.072 ppm 90 24 100 44201 Ozone Maryland Carroll

8/20/2010 24-017-0010 0.071 ppm 87 24 100 44201 Ozone Maryland Charles

8/20/2010 24-021-0037 0.072 ppm 90 24 100 44201 Ozone Maryland Frederick

8/20/2010 24-025-1001 0.072 ppm 90 24 100 44201 Ozone Maryland Harford

8/20/2010 24-025-9001 0.058 ppm 49 24 100 44201 Ozone Maryland Harford

8/20/2010 24-031-3001 0.071 ppm 87 24 100 44201 Ozone Maryland Montgomery

8/20/2010 24-033-0030 0.067 ppm 74 24 100 44201 Ozone Maryland Prince George's

8/20/2010 24-033-8003 0.077 ppm 104 24 100 44201 Ozone Maryland Prince George's

8/20/2010 24-510-0054 0.062 ppm 58 24 100 44201 Ozone Maryland Baltimore (City)

8/20/2010 51-013-0020 0.077 ppm 104 24 100 44201 Ozone Virginia Arlington

8/20/2010 51-059-0030 0.080 ppm 111 24 100 44201 Ozone Virginia Fairfax

8/20/2010 51-061-0002 0.059 ppm 50 24 100 44201 Ozone Virginia Fauquier

8/20/2010 51-107-1005 0.064 ppm 64 24 100 44201 Ozone Virginia Loudoun

8/20/2010 51-153-0009 0.060 ppm 51 24 100 44201 Ozone Virginia Prince William

8/20/2010 51-179-0001 0.076 ppm 101 24 100 44201 Ozone Virginia Stafford

8/20/2010 51-510-0009 0.080 ppm 111 24 100 44201 Ozone Virginia Alexandria City

8/26/2010 11-001-0043 0.054 ppm 46 24 100 44201 Ozone District Of Columbia District of Columbia

8/26/2010 24-003-0014 0.056 ppm 47 24 100 44201 Ozone Maryland Anne Arundel

8/26/2010 24-005-1007 0.046 ppm 39 24 100 44201 Ozone Maryland Baltimore

8/26/2010 24-009-0011 0.062 ppm 58 24 100 44201 Ozone Maryland Calvert
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/26/2010 24-013-0001 0.049 ppm 42 24 100 44201 Ozone Maryland Carroll

8/26/2010 24-017-0010 0.059 ppm 50 24 100 44201 Ozone Maryland Charles

8/26/2010 24-021-0037 0.052 ppm 44 24 100 44201 Ozone Maryland Frederick

8/26/2010 24-025-1001 0.052 ppm 44 24 100 44201 Ozone Maryland Harford

8/26/2010 24-025-9001 0.041 ppm 35 24 100 44201 Ozone Maryland Harford

8/26/2010 24-031-3001 0.052 ppm 44 24 100 44201 Ozone Maryland Montgomery

8/26/2010 24-033-0030 0.052 ppm 44 24 100 44201 Ozone Maryland Prince George's

8/26/2010 24-033-8003 0.057 ppm 48 24 100 44201 Ozone Maryland Prince George's

8/26/2010 24-510-0054 0.046 ppm 39 24 100 44201 Ozone Maryland Baltimore (City)

8/26/2010 51-013-0020 0.055 ppm 47 24 100 44201 Ozone Virginia Arlington

8/26/2010 51-061-0002 0.045 ppm 38 24 100 44201 Ozone Virginia Fauquier

8/26/2010 51-107-1005 0.056 ppm 47 24 100 44201 Ozone Virginia Loudoun

8/26/2010 51-153-0009 0.052 ppm 44 24 100 44201 Ozone Virginia Prince William

8/26/2010 51-179-0001 0.054 ppm 46 18 75 44201 Ozone Virginia Stafford

8/26/2010 51-510-0009 0.051 ppm 43 24 100 44201 Ozone Virginia Alexandria City

8/27/2010 11-001-0043 0.059 ppm 50 24 100 44201 Ozone District Of Columbia District of Columbia

8/27/2010 24-003-0014 0.056 ppm 47 24 100 44201 Ozone Maryland Anne Arundel

8/27/2010 24-005-1007 0.05 ppm 42 24 100 44201 Ozone Maryland Baltimore

8/27/2010 24-009-0011 0.045 ppm 38 24 100 44201 Ozone Maryland Calvert

8/27/2010 24-013-0001 0.055 ppm 47 24 100 44201 Ozone Maryland Carroll

8/27/2010 24-017-0010 0.049 ppm 42 24 100 44201 Ozone Maryland Charles

8/27/2010 24-021-0037 0.053 ppm 45 24 100 44201 Ozone Maryland Frederick

8/27/2010 24-025-1001 0.06 ppm 51 24 100 44201 Ozone Maryland Harford

8/27/2010 24-025-9001 0.043 ppm 36 24 100 44201 Ozone Maryland Harford

8/27/2010 24-031-3001 0.050 ppm 42 24 100 44201 Ozone Maryland Montgomery

8/27/2010 24-033-0030 0.052 ppm 44 24 100 44201 Ozone Maryland Prince George's

8/27/2010 24-033-8003 0.052 ppm 44 24 100 44201 Ozone Maryland Prince George's

8/27/2010 24-510-0054 0.05 ppm 42 24 100 44201 Ozone Maryland Baltimore (City)

8/27/2010 51-013-0020 0.058 ppm 49 24 100 44201 Ozone Virginia Arlington

8/27/2010 51-013-0020 0.058 ppm 49 24 100 44201 Ozone Virginia Arlington
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/27/2010 51-061-0002 0.053 ppm 45 24 100 44201 Ozone Virginia Fauquier

8/27/2010 51-107-1005 0.056 ppm 47 24 100 44201 Ozone Virginia Loudoun

8/27/2010 51-153-0009 0.056 ppm 47 24 100 44201 Ozone Virginia Prince William

8/27/2010 51-179-0001 0.054 ppm 46 24 100 44201 Ozone Virginia Stafford

8/27/2010 51-510-0009 0.059 ppm 50 24 100 44201 Ozone Virginia Alexandria City

8/28/2010 11-001-0043 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

8/28/2010 24-003-0014 0.067 ppm 74 24 100 44201 Ozone Maryland Anne Arundel

8/28/2010 24-005-1007 0.067 ppm 74 24 100 44201 Ozone Maryland Baltimore

8/28/2010 24-009-0011 0.057 ppm 48 24 100 44201 Ozone Maryland Calvert

8/28/2010 24-013-0001 0.062 ppm 58 24 100 44201 Ozone Maryland Carroll

8/28/2010 24-017-0010 0.057 ppm 48 24 100 44201 Ozone Maryland Charles

8/28/2010 24-021-0037 0.073 ppm 93 24 100 44201 Ozone Maryland Frederick

8/28/2010 24-025-1001 0.075 ppm 100 24 100 44201 Ozone Maryland Harford

8/28/2010 24-025-9001 0.051 ppm 43 24 100 44201 Ozone Maryland Harford

8/28/2010 24-031-3001 0.062 ppm 58 24 100 44201 Ozone Maryland Montgomery

8/28/2010 24-033-0030 0.073 ppm 93 24 100 44201 Ozone Maryland Prince George's

8/28/2010 24-033-8003 0.061 ppm 54 24 100 44201 Ozone Maryland Prince George's

8/28/2010 24-510-0054 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore (City)

8/28/2010 51-013-0020 0.076 ppm 101 24 100 44201 Ozone Virginia Arlington

8/28/2010 51-059-0030 0.075 ppm 100 24 100 44201 Ozone Virginia Fairfax

8/28/2010 51-061-0002 0.054 ppm 46 24 100 44201 Ozone Virginia Fauquier

8/28/2010 51-107-1005 0.067 ppm 74 24 100 44201 Ozone Virginia Loudoun

8/28/2010 51-153-0009 0.064 ppm 64 24 100 44201 Ozone Virginia Prince William

8/28/2010 51-179-0001 0.057 ppm 48 24 100 44201 Ozone Virginia Stafford

8/28/2010 51-510-0009 0.075 ppm 100 24 100 44201 Ozone Virginia Alexandria City

8/29/2010 11-001-0041 0.080 ppm 111 24 100 44201 Ozone District Of Columbia District of Columbia

8/29/2010 11-001-0043 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

8/29/2010 24-003-0014 0.078 ppm 106 24 100 44201 Ozone Maryland Anne Arundel

8/29/2010 24-005-1007 0.063 ppm 61 24 100 44201 Ozone Maryland Baltimore
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/29/2010 24-009-0011 0.060 ppm 51 24 100 44201 Ozone Maryland Calvert

8/29/2010 24-013-0001 0.063 ppm 61 24 100 44201 Ozone Maryland Carroll

8/29/2010 24-017-0010 0.057 ppm 48 24 100 44201 Ozone Maryland Charles

8/29/2010 24-021-0037 0.065 ppm 67 24 100 44201 Ozone Maryland Frederick

8/29/2010 24-025-1001 0.096 ppm 151 24 100 44201 Ozone Maryland Harford

8/29/2010 24-025-9001 0.066 ppm 71 24 100 44201 Ozone Maryland Harford

8/29/2010 24-031-3001 0.062 ppm 58 24 100 44201 Ozone Maryland Montgomery

8/29/2010 24-033-0030 0.068 ppm 77 24 100 44201 Ozone Maryland Prince George's

8/29/2010 24-033-8003 0.072 ppm 90 24 100 44201 Ozone Maryland Prince George's

8/29/2010 24-510-0054 0.068 ppm 77 24 100 44201 Ozone Maryland Baltimore (City)

8/29/2010 51-013-0020 0.073 ppm 93 24 100 44201 Ozone Virginia Arlington

8/29/2010 51-059-0030 0.073 ppm 93 24 100 44201 Ozone Virginia Fairfax

8/29/2010 51-061-0002 0.051 ppm 43 24 100 44201 Ozone Virginia Fauquier

8/29/2010 51-107-1005 0.059 ppm 50 24 100 44201 Ozone Virginia Loudoun

8/29/2010 51-153-0009 0.053 ppm 45 24 100 44201 Ozone Virginia Prince William

8/29/2010 51-179-0001 0.059 ppm 50 24 100 44201 Ozone Virginia Stafford

8/29/2010 51-510-0009 0.078 ppm 106 24 100 44201 Ozone Virginia Alexandria City

8/30/2010 11-001-0043 0.077 ppm 104 24 100 44201 Ozone District Of Columbia District of Columbia

8/30/2010 24-003-0014 0.087 ppm 129 24 100 44201 Ozone Maryland Anne Arundel

8/30/2010 24-005-1007 0.074 ppm 97 24 100 44201 Ozone Maryland Baltimore

8/30/2010 24-005-3001 0.078 ppm 106 17 71 44201 Ozone Maryland Baltimore

8/30/2010 24-009-0011 0.098 ppm 156 24 100 44201 Ozone Maryland Calvert

8/30/2010 24-013-0001 0.069 ppm 80 24 100 44201 Ozone Maryland Carroll

8/30/2010 24-017-0010 0.087 ppm 129 24 100 44201 Ozone Maryland Charles

8/30/2010 24-021-0037 0.069 ppm 80 24 100 44201 Ozone Maryland Frederick

8/30/2010 24-025-1001 0.076 ppm 101 24 100 44201 Ozone Maryland Harford

8/30/2010 24-025-9001 0.063 ppm 61 24 100 44201 Ozone Maryland Harford

8/30/2010 24-031-3001 0.072 ppm 90 24 100 44201 Ozone Maryland Montgomery

8/30/2010 24-033-0030 0.076 ppm 101 24 100 44201 Ozone Maryland Prince George's
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/30/2010 24-033-8003 0.084 ppm 122 24 100 44201 Ozone Maryland Prince George's

8/30/2010 24-510-0054 0.074 ppm 97 24 100 44201 Ozone Maryland Baltimore (City)

8/30/2010 51-013-0020 0.085 ppm 124 24 100 44201 Ozone Virginia Arlington

8/30/2010 51-059-0030 0.091 ppm 140 24 100 44201 Ozone Virginia Fairfax

8/30/2010 51-061-0002 0.071 ppm 87 24 100 44201 Ozone Virginia Fauquier

8/30/2010 51-153-0009 0.079 ppm 109 24 100 44201 Ozone Virginia Prince William

8/30/2010 51-179-0001 0.086 ppm 127 24 100 44201 Ozone Virginia Stafford

8/30/2010 51-510-0009 0.081 ppm 114 24 100 44201 Ozone Virginia Alexandria City

8/29/2010 51-107-1005 0.059 ppm 50 24 100 44201 Ozone Virginia Loudoun

8/31/2010 11-001-0025 0.077 ppm 104 24 100 44201 Ozone District Of Columbia District of Columbia

8/31/2010 11-001-0041 0.085 ppm 124 24 100 44201 Ozone District Of Columbia District of Columbia

8/31/2010 11-001-0043 0.088 ppm 132 24 100 44201 Ozone District Of Columbia District of Columbia

8/31/2010 24-003-0014 0.072 ppm 90 24 100 44201 Ozone Maryland Anne Arundel

8/31/2010 24-005-1007 0.069 ppm 80 24 100 44201 Ozone Maryland Baltimore

8/31/2010 24-005-3001 0.08 ppm 111 24 100 44201 Ozone Maryland Baltimore

8/31/2010 24-009-0011 0.064 ppm 64 24 100 44201 Ozone Maryland Calvert

8/31/2010 24-013-0001 0.069 ppm 80 24 100 44201 Ozone Maryland Carroll

8/31/2010 24-017-0010 0.073 ppm 93 24 100 44201 Ozone Maryland Charles

8/31/2010 24-021-0037 0.075 ppm 100 24 100 44201 Ozone Maryland Frederick

8/31/2010 24-025-1001 0.09 ppm 137 24 100 44201 Ozone Maryland Harford

8/31/2010 24-025-9001 0.065 ppm 67 24 100 44201 Ozone Maryland Harford

8/31/2010 24-031-3001 0.077 ppm 104 24 100 44201 Ozone Maryland Montgomery

8/31/2010 24-033-0030 0.069 ppm 80 24 100 44201 Ozone Maryland Prince George's

8/31/2010 24-033-8003 0.067 ppm 74 24 100 44201 Ozone Maryland Prince George's

8/31/2010 24-510-0054 0.073 ppm 93 24 100 44201 Ozone Maryland Baltimore (City)

8/31/2010 51-013-0020 0.087 ppm 129 19 79 44201 Ozone Virginia Arlington

8/31/2010 51-059-0030 0.086 ppm 127 24 100 44201 Ozone Virginia Fairfax

8/31/2010 51-061-0002 0.065 ppm 67 24 100 44201 Ozone Virginia Fauquier

8/31/2010 51-153-0009 0.073 ppm 93 24 100 44201 Ozone Virginia Prince William
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

8/31/2010 51-179-0001 0.073 ppm 93 24 100 44201 Ozone Virginia Stafford

8/31/2010 51-510-0009 0.081 ppm 114 24 100 44201 Ozone Virginia Alexandria City

9/1/2010 11-001-0025 0.085 ppm 124 24 100 44201 Ozone District Of Columbia District of Columbia

9/1/2010 11-001-0041 0.080 ppm 111 24 100 44201 Ozone District Of Columbia District of Columbia

9/1/2010 11-001-0043 0.086 ppm 127 24 100 44201 Ozone District Of Columbia District of Columbia

9/1/2010 24-003-0014 0.07 ppm 84 24 100 44201 Ozone Maryland Anne Arundel

9/1/2010 24-005-1007 0.075 ppm 100 24 100 44201 Ozone Maryland Baltimore

9/1/2010 24-005-3001 0.078 ppm 106 24 100 44201 Ozone Maryland Baltimore

9/1/2010 24-009-0011 0.072 ppm 90 24 100 44201 Ozone Maryland Calvert

9/1/2010 24-013-0001 0.075 ppm 100 24 100 44201 Ozone Maryland Carroll

9/1/2010 24-017-0010 0.066 ppm 71 24 100 44201 Ozone Maryland Charles

9/1/2010 24-021-0037 0.074 ppm 97 24 100 44201 Ozone Maryland Frederick

9/1/2010 24-025-1001 0.09 ppm 137 24 100 44201 Ozone Maryland Harford

9/1/2010 24-025-9001 0.078 ppm 106 24 100 44201 Ozone Maryland Harford

9/1/2010 24-031-3001 0.080 ppm 111 24 100 44201 Ozone Maryland Montgomery

9/1/2010 24-033-0030 0.085 ppm 124 24 100 44201 Ozone Maryland Prince George's

9/1/2010 24-033-8003 0.063 ppm 61 24 100 44201 Ozone Maryland Prince George's

9/1/2010 24-510-0054 0.077 ppm 104 24 100 44201 Ozone Maryland Baltimore (City)

9/1/2010 51-013-0020 0.073 ppm 93 24 100 44201 Ozone Virginia Arlington

9/1/2010 51-059-0030 0.073 ppm 93 24 100 44201 Ozone Virginia Fairfax

9/1/2010 51-061-0002 0.056 ppm 47 24 100 44201 Ozone Virginia Fauquier

9/1/2010 51-107-1005 0.075 ppm 100 24 100 44201 Ozone Virginia Loudoun

9/1/2010 51-153-0009 0.065 ppm 67 24 100 44201 Ozone Virginia Prince William

9/1/2010 51-179-0001 0.064 ppm 64 24 100 44201 Ozone Virginia Stafford

9/1/2010 51-510-0009 0.066 ppm 71 24 100 44201 Ozone Virginia Alexandria City

9/2/2010 11-001-0043 0.073 ppm 93 24 100 44201 Ozone District Of Columbia District of Columbia

9/2/2010 24-003-0014 0.064 ppm 64 24 100 44201 Ozone Maryland Anne Arundel

9/2/2010 24-005-1007 0.092 ppm 142 24 100 44201 Ozone Maryland Baltimore
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

9/2/2010 24-005-3001 0.071 ppm 87 24 100 44201 Ozone Maryland Baltimore

9/2/2010 24-009-0011 0.059 ppm 50 24 100 44201 Ozone Maryland Calvert

9/2/2010 24-013-0001 0.084 ppm 122 24 100 44201 Ozone Maryland Carroll

9/2/2010 24-017-0010 0.060 ppm 51 24 100 44201 Ozone Maryland Charles

9/2/2010 24-021-0037 0.083 ppm 119 24 100 44201 Ozone Maryland Frederick

9/2/2010 24-025-1001 0.082 ppm 116 24 100 44201 Ozone Maryland Harford

9/2/2010 24-025-9001 0.067 ppm 74 24 100 44201 Ozone Maryland Harford

9/2/2010 24-031-3001 0.081 ppm 114 24 100 44201 Ozone Maryland Montgomery

9/2/2010 24-033-0030 0.076 ppm 101 24 100 44201 Ozone Maryland Prince George's

9/2/2010 24-033-8003 0.065 ppm 67 24 100 44201 Ozone Maryland Prince George's

9/2/2010 24-510-0054 0.066 ppm 71 24 100 44201 Ozone Maryland Baltimore (City)

9/2/2010 51-013-0020 0.067 ppm 74 24 100 44201 Ozone Virginia Arlington

9/2/2010 51-059-0030 0.069 ppm 80 24 100 44201 Ozone Virginia Fairfax

9/2/2010 51-061-0002 0.061 ppm 54 24 100 44201 Ozone Virginia Fauquier

9/2/2010 51-153-0009 0.070 ppm 84 24 100 44201 Ozone Virginia Prince William

9/2/2010 51-179-0001 0.065 ppm 67 24 100 44201 Ozone Virginia Stafford

9/2/2010 51-510-0009 0.066 ppm 71 24 100 44201 Ozone Virginia Alexandria City

9/23/2010 11-001-0025 0.064 ppm 64 24 100 44201 Ozone District Of Columbia District of Columbia

9/23/2010 11-001-0041 0.072 ppm 90 24 100 44201 Ozone District Of Columbia District of Columbia

9/23/2010 11-001-0043 0.073 ppm 93 24 100 44201 Ozone District Of Columbia District of Columbia

9/23/2010 24-003-0014 0.061 ppm 54 24 100 44201 Ozone Maryland Anne Arundel

9/23/2010 24-005-1007 0.064 ppm 64 24 100 44201 Ozone Maryland Baltimore

9/23/2010 24-005-3001 0.061 ppm 54 24 100 44201 Ozone Maryland Baltimore

9/23/2010 24-009-0011 0.063 ppm 61 24 100 44201 Ozone Maryland Calvert

9/23/2010 24-013-0001 0.075 ppm 100 24 100 44201 Ozone Maryland Carroll

9/23/2010 24-017-0010 0.066 ppm 71 24 100 44201 Ozone Maryland Charles

9/23/2010 24-021-0037 0.076 ppm 101 24 100 44201 Ozone Maryland Frederick

9/23/2010 24-025-1001 0.062 ppm 58 24 100 44201 Ozone Maryland Harford

9/23/2010 24-025-9001 0.06 ppm 51 18 75 44201 Ozone Maryland Harford
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

9/23/2010 24-031-3001 0.059 ppm 50 24 100 44201 Ozone Maryland Montgomery

9/23/2010 24-033-0030 0.062 ppm 58 24 100 44201 Ozone Maryland Prince George's

9/23/2010 24-033-8003 0.060 ppm 51 24 100 44201 Ozone Maryland Prince George's

9/23/2010 51-013-0020 0.071 ppm 87 24 100 44201 Ozone Virginia Arlington

9/23/2010 51-059-0030 0.080 ppm 111 24 100 44201 Ozone Virginia Fairfax

9/23/2010 51-061-0002 0.066 ppm 71 24 100 44201 Ozone Virginia Fauquier

9/23/2010 51-107-1005 0.070 ppm 84 24 100 44201 Ozone Virginia Loudoun

9/23/2010 51-153-0009 0.065 ppm 67 24 100 44201 Ozone Virginia Prince William

9/23/2010 51-179-0001 0.069 ppm 80 24 100 44201 Ozone Virginia Stafford

9/23/2010 51-510-0009 0.069 ppm 80 24 100 44201 Ozone Virginia Alexandria City

9/24/2010 11-001-0025 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

9/24/2010 11-001-0041 0.069 ppm 80 24 100 44201 Ozone District Of Columbia District of Columbia

9/24/2010 11-001-0043 0.067 ppm 74 24 100 44201 Ozone District Of Columbia District of Columbia

9/24/2010 24-003-0014 0.074 ppm 97 24 100 44201 Ozone Maryland Anne Arundel

9/24/2010 24-005-1007 0.073 ppm 93 24 100 44201 Ozone Maryland Baltimore

9/24/2010 24-005-3001 0.075 ppm 100 24 100 44201 Ozone Maryland Baltimore

9/24/2010 24-009-0011 0.071 ppm 87 24 100 44201 Ozone Maryland Calvert

9/24/2010 24-013-0001 0.072 ppm 90 24 100 44201 Ozone Maryland Carroll

9/24/2010 24-017-0010 0.069 ppm 80 24 100 44201 Ozone Maryland Charles

9/24/2010 24-021-0037 0.064 ppm 64 24 100 44201 Ozone Maryland Frederick

9/24/2010 24-025-1001 0.077 ppm 104 18 75 44201 Ozone Maryland Harford

9/24/2010 24-025-9001 0.077 ppm 104 24 100 44201 Ozone Maryland Harford

9/24/2010 24-031-3001 0.071 ppm 87 24 100 44201 Ozone Maryland Montgomery

9/24/2010 24-033-0030 0.073 ppm 93 24 100 44201 Ozone Maryland Prince George's

9/24/2010 24-033-8003 0.067 ppm 74 24 100 44201 Ozone Maryland Prince George's

9/24/2010 24-510-0054 0.065 ppm 67 19 79 44201 Ozone Maryland Baltimore (City)

9/24/2010 51-013-0020 0.070 ppm 84 24 100 44201 Ozone Virginia Arlington

9/24/2010 51-059-0030 0.069 ppm 80 24 100 44201 Ozone Virginia Fairfax

9/24/2010 51-061-0002 0.064 ppm 64 24 100 44201 Ozone Virginia Fauquier

9/24/2010 51-107-1005 0.065 ppm 67 24 100 44201 Ozone Virginia Loudoun
Date AQS SITE ID

Daily Max 8-hour 

Ozone 

Concentration UNITS

DAILY 

AQI 

VALUE

DAILY 

OBS 

COUNT

PERCENT 

COMPLETE

AQS 

PARAMETER 

CODE

AQS 

PARAMETER 

DESC STATE COUNTY

APPENDIX 2 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern Virginia, DCTABLE A2-2: Air Quality Data – Monitor Exceedance days By Episode for 2006 through 2010

9/24/2010 51-153-0009 0.063 ppm 61 24 100 44201 Ozone Virginia Prince William

9/24/2010 51-179-0001 0.065 ppm 67 24 100 44201 Ozone Virginia Stafford

9/24/2010 51-510-0009 0.069 ppm 80 18 75 44201 Ozone Virginia Alexandria City