Year 8-hour O3

Std (0.075 ppm) 1-hr NO2

Std (ppb) Dunn 98th

%ile 1-hr NO2 Dunn

Annual Mean NO2Dunn 4th

Max 8-hr O3 Hannover

98th %ile 1- hr NO2 Hannover

Annual Mean NO2 Hannover

4th Max 8- hr O3 1979 0.075 100 1980 0.075 100 10 0.24 0.08 1981 0.075 100 7 0.1 0.064 1982 0.075 100 9 0.13 0.051 1983 0.075 100 11 0.17 0.059 1984 0.075 100 12 0.15 0.06 1985 0.075 100 8 0.17 0.055 1986 0.075 100 13 0.19 0.059 1987 0.075 100 11 0.17 0.057 1988 0.075 100 13 0.32 0.064 28 0.64 0.074 1989 0.075 100 13 0.17 23 0.65 0.067 1990 0.075 100 22 0.41 0.053 1991 0.075 100 22 0.61 0.059 1992 0.075 100 22 0.67 0.061 1993 0.075 100 23 1 0.053 1994 0.075 100 19 1.95 0.057 1995 0.075 100 23 2 0.057 1996 0.075 100 22 1.41 0.057 1997 0.075 100 23 2.02 0.062 1998 0.075 100 6 1 25 2.37 0.06 1999 0.075 100 11 1.52 0.058 25 2.64 0.059 2000 0.075 100 11 1.88 0.053 22 2.49 0.055 2001 0.075 100 13 1.79 0.058 24 2.57 0.056 2002 0.075 100 10 1.59 0.058 22 2.19 0.058 2003 0.075 100 9 1.7 0.066 22 2.18 0.062 2004 0.075 100 11 1.92 0.05 23 2.32 0.05 2005 0.075 100 9 1.19 0.054 21 1.73 0.057 2006 0.075 100 14 1.58 0.061 21 1.93 0.064 2007 0.075 100 12 1.38 0.058 21 1.84 0.059 2008 0.075 100 15 1.69 0.06 24 1.96 0.06 2009 0.075 100 11 1.39 0.054 20 1.94 0.057 2010 0.075 100 13 1.44 0.058 19 2.2 0.061 2011 0.075 100 8 1.38 0.054 13 1.29 0.058 2012 0.075 100 13 1.92 0.057 17 2.11 0.057TRNP-NU

98th %ile 1-hr NO2 TRNP-NU

Annual Mean NO2TRNP-NU

4th Max 8- hr O3 Fargo

98th %ile 1-hr NO2 Fargo

Annual Mean NO2Fargo 4th

Max 8-hr O3 Bismarck

98th %ile 1-hr NO2 Bismarck

Annual Mean NO2 Bismarck

4th Max 8- hr O3

0.062 0.061 0.054 0.056 0.053 0.066 0.065 0.062 0.06 0.057 0.055 0.057 0.058 0.059 0.071 0.062 36 6.44 0.061

42 6.23 0.066 40 6.59 0.062 7 1.19 0.056 40 6.45 0.062 6 1.17 0.06 33 5.62 0.062 9 1.35 0.071 39 6.23 0.065 8 1.52 0.059 42 6.12 0.056 6 1.01 0.057 38 5.57 0.061 36 8.43 8 1.02 0.066 38 5.75 0.065 34 6.8 0.063 7 0.49 0.065 36 4.95 0.055 37 6.17 0.058 8 0.85 0.062 39 5.41 0.055 36 5.85 0.058 7 0.74 0.056 42 4.9 0.057 39 5.86 0.054 10 1.15 0.062 44 5.44 0.063 38 5.71 0.061 10 1.12 0.059 40 4.45 0.057 37 4.85 0.056 9 1.2 0.057 34 4.57 0.063 34 5.36 0.057Beulah

98th %ile 1-hr NO2 Beulah

Annual Mean NO2Beulah

4th Max 8- hr O3

27 2.82 0.06 28 4.71 0.05 27 2.13 0.062 31 2.37 0.056 23 1.69 24 1.72 25 1.68 26 1.9 33 2.16 27 2.11 0.065 27 2.1 0.061 31 2.01 0.059 25 2.05 0.064 29 2.73 0.054 28 3.75 0.054 27 3.73 0.056 33 3.73 0.058 32 3.85 0.064 28 4.29 0.061 22 3.16 0.059 25 3.43 0.054 21 3.37 0.057 20 3 0.065 22 2.96 0.064 20 2.98 0.053 21 2.45 0.057 21 2.58 0.067 23 2.55 0.059 21 2.65 0.061 26 2.73 0.055 26 2.75 0.061 22 2.3 0.059 23 2.7 0.061Year Lostwood

98th %ile 1- hr NO2 Lostwood

Annual Mean NO2 Lostwood

4th Max 8- hr O3 1988 15 0.45 1989 11 0.25 1990 10 0.15 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 14 2.77 2004 12 1.86 0.057 2005 13 1.11 0.056 2006 11 1.09 0.06 2007 15 1.31 0.059 2008 15 1.27 0.059 2009 17 1.6 0.059 2010 21 1.86 0.063 2011 14 1.78 0.06 2012 15 2.02 0.056State County

North Dakota Burke 8 North Dakota Burleigh Bismarck, ND 8 North Dakota Cass Fargo, ND-MN Fargo-Wahpeton, ND-MN 8 North Dakota Dunn 8 North Dakota McKenzie 8 North Dakota Mercer 8 North Dakota Oliver 8

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 YearSite No.

380130004 1 Lostwood 380150003 1 Bismarck 380171004 1 Fargo 0.063 0.061 0.060 380250003 1 Dunn 0.060 0.058 0.056 380530002 1 TRNP-NU 0.063 0.062 380570004 1 Beulah 0.062 0.060 0.058 380650002 1 Hannover 0.056 0.0560.057 0.058 0.059 0.059 0.060 0.060 0.059 0.059 0.056 0.057 0.057 0.058 0.060 0.060 0.058 0.055 0.058 0.059 0.061 0.055 0.057 0.059 0.057 0.060 0.062 0.064 0.061 0.060 0.059 0.059 0.059 0.061 0.062 0.058 0.059 0.058 0.060 0.057 0.060 0.061 0.058 0.059 0.058 0.058Year 1-hr SO2

Std (ppb) Dunn 99th

Percentile 1- hr SO2 Hannover

99th Percentile 1- hr SO2 Beulah

99th Percentile 1- hr SO2 TRNP-NU

99th Percentile 1- hr SO2 Fargo

99th Percentile 1- hr SO2 Bismarck

99th Percentile 1- hr SO2 Beulah

99th Percentile 1- hr SO2 1979 75 30 1980 75 11 51 25 31 1981 75 15 32 26 44 1982 75 25 39 33 115 1983 75 16 48 31 39 1984 75 25 39 41 25 1985 75 15 52 43 37 1986 75 20 26 32 30 1987 75 14 42 43 23 1988 75 17 72 51 21 1989 75 19 78 43 25 1990 75 17 55 46 17 1991 75 11 55 42 10 1992 75 18 68 47 15 1993 75 20 56 59 20 1994 75 21 50 62 27 1995 75 23 69 40 17 16 1996 75 26 66 66 21 21 1997 75 14 55 39 14 26 1998 75 21 87 71 14 20 1999 75 17 88 46 7 2000 75 21 65 40 6 2001 75 17 45 54 7 8 2002 75 14 59 29 9 5 2003 75 18 69 38 14 5 2004 75 14 69 31 13 6 2005 75 12 61 39 10 7 18 2006 75 13 45 26 10 4.7 23 2007 75 10 63 40 13.2 4.8 31 2008 75 16 55 31 10.5 4.7 34 2009 75 9.5 42 26 10.1 5.9 30 2010 75 19 59 52 11.2 6.1 41 2011 75 9.5 52 23 9.1 3.9 22 2012 75 10 40 28 10.1 3.5 23

75 75Lostwood

35

35 25 31 32.4 36.8 55.6 45.2 29.6 23.9Year Bismarck2 .5 annual Bismarck

2.5 24hr Bismarck

PM10 24hr Bismarck

PM10 24hr 2nd Fargo

PM2.5 annual Fargo

PM2.5 24hr Fargo

PM10 24hr 1985 70 64 54 1986 122 89 129 1987 98 44 66 1988 56 42 56 1989 65 50 50 1990 106 84 203 1991 84 50 59 1992 85 44 58 1993 55 44 45 1994 48 39 43 1995 30 24 56 1996 28 27 56 1997 27 26 67 1998 52 32 52 1999 7.61 23 9.39 26.7 70 2000 6.62 14.3 7.71 26.4 42 2001 6.68 17.1 84 44 8.43 23.9 2002 6.38 15.5 72 41 7.35 21 149 2003 7.24 16 60 51 7.89 18.4 79 2004 6.17 17.9 43 33 7.52 26 39 2005 6.54 16.9 43 40 7.58 22.6 58 2006 6.79 21.3 56 51 8.16 18.9 73 2007 6.82 13.5 79 44 7.5 15 77 2008 6.95 14.4 86 85 8.33 23.5 64 2009 6.39 15.1 43 37 7.63 19.9 26 2010 7.65 17.8 54 44 8.46 26.7 104 2011 5.67 12.2 74 62 7.73 21.3 98 2012 6.37 16.3 65 56 7.51 23.2 114Fargo

PM10 24hr 2nd Dunn

PM2.5 annual Dunn

PM2.5 24hr Dunn

PM10 24hr Dunn

PM10 24hr 2nd TRNP

PM2.5 annual TRNP

PM2.5 24hr TRNP

PM10 24hr TRNP

PM10 24 hr 2nd 48 53 52 58 41 40 45 66 48 17 16 44 44 23 46 75 44 54 39 39 40 53 63 47 64 39

51 5.26 12.8 30 26 60 5.67 11.7 42 31 36 42 42 4.88 8.8 30 15 55 82 41 4.74 12.3 35 29 55 53 50 5.16 17.9 37 35 51 57 41 47 44 37 108 53 58 45 25 54 52 44 40 96 32 32 8.59 18.6 31 29 89 6.39 13.9 96 74 8.8 17 35 30 92 5.78 16.6 103 73 6.99 17.4 35 34Beulah

PM2.5 annual Beulah

PM2.5 24hr Beulah

PM10 24hr Beulah

PM10 24hr 2nd Hannover

PM2.5 annual Hannover

PM2.5 24hr Hannover

PM10 24hr Hannover

PM10 24hr 2nd Lostwood

PM2.5 annual

45 66 39 79 45 31 30 45 28 6.91 20.9 6.12 11.5 5.86 16.1 5.93 15.5 7.24 24.5 5.63 10.8 5.58 18.5 6.26 18.9 40 35 6.63 13.5 40 39 6.56 13.2 94 84 5.47 13.5 34 32 6.35 14.9 49 43 8.04 5.08 10.9 53 46 3.91 14.3 15 12 7.38 6 16.9 38 33 5.92 14.4 14 14 7.21Lostwood

PM2.5 24hr Lostwood

PM10 24hrLostwood

PM10 24hr 2nd

25 24 43 41 56 37

38 21 52 44 54 48 107 56 51 48 13 12 72 59 39 31 52 39 76 43 32 30 31 27 16 48 46 13.7 63 52 15.7 53 480

5 10 15 20 25 30 35 40 45 50

1975 1980 1985 1990 1995 2000 2005 2010 2015**P P** **B**

**Year**

# ND NO2 T**re nds** 

Dunn 98th %ile 1-hr NO2
Dunn Annual Mean NO2
Hannover 98th %ile 1-hr NO2
Hannover Annual Mean NO2
TRNP-NU 98th %ile 1-hr NO2
TRNP-NU Annual Mean NO2
Lostwood 98th %ile 1-hr NO2
Lostwood Annual Mean NO2 Fargo 98th %ile 1-hr NO2 Fargo Annual Mean NO2
Bismarck 98th %ile 1-hr NO2
Bismarck Annual Mean NO2
Beulah 98th %ile 1-hr NO2
Beulah Annual Mean NO2

All 98th percentile values are lessthan half the standard

-100PPB.

# 0

0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09



# 1970 1980 1990 2000 2010 2020**P P** **M**

**Year**



# ND O**3**

# Tr**ends**

**- Annual** **4th Max 8**

**- hr O** **3**

# Standar**d**

Dunn 4th Max 8-hr O3
Hannover 4th Max 8-hr O3
Lostwood 4th Max 8-hr O3
TRNP-NU 4th Max 8-hr O3 Fargo 4th Max 8-hr O3
Bismarck 4th Max 8-hr O3
Beulah 4th Max 8-hr O3 8-hour O3 Std (0.075 ppm)0

20 40 60 80 100 120 140

1975 1980 1985 1990 1995 2000 2005 2010 2015**P P** **B**

**Year**



# ND SO2 T**re nds** 

**- 99th Per** **centile 1** 

**- hr SO2 Standar** **d**

Lostwood
Dunn Center
Bismarck
Hannover Fargo Buehla
TRNP 1-hr SO2 Std (ppb)0

2 4 6 8 10 12 14

1999 2001 2003 2005 2007 2009 2011 2013**u g** **/ m** **3** 

# All ND PM 2.5 Annual**Mean**

Bismarck PM 2.5 annual mean Fargo PM2.5 annual
Dunn PM2.5 annual
TRNP PM2.5 annual
Beulah PM2.5 annual
Hannover PM2.5 annual
Lostwood PM2.5 annual PM2.5 Annual Standard0

5 10 15 20 25 30 35 40

1999 2001 2003 2005 2007 2009 2011 2013**u g** **/ m** **3** 

# All ND PM2.5 24 hr

Bismarck 2.5 24hr Fargo PM2.5 24hr
Dunn PM2.5 24hr
Hannover PM2.5 24hr
Lostwood PM2.5 24hr
TRNP PM2.5 24hr
Beulah PM2.5 24hr PM2.5 24

-hr Standard0

10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200

1980 1985 1990 1995 2000 2005 2010 2015**u g** **/ m** **3** 

# All ND PM10 24 hr 1st max

Bismarck PM10 24hr Fargo PM10 24hr
Dunn PM10 24hr
TRNP PM10 24hr
Beulah PM10 24hr
Hannover PM10 24hr
Lostwood PM10 24hr PM1024

-hr Standard0

10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200

1980 1985 1990 1995 2000 2005 2010 2015**u g** **/ m** **3** 

# All ND PM10 24 hr 2nd max

Bismarck PM10 24hr 2nd Fargo PM10 24hr 2nd
Dunn PM10 24hr 2nd
TRNP PM10 24 hr 2nd
Beulah PM10 24hr 2nd
Hannover PM10 24hr 2nd
Lostwood PM10 24hr 2nd PM1024

-hr Standard0.000

0.005 0.010 0.015 0.020 0.025 0.030 0.035 0.040 0.045 0.050 0.055 0.060 0.065 0.070 0.075 0.080 0.085 0.090 0.095 0.100

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012**P P** **M**

**Design Value Years** 

# His**torical Oz one Design** **Va lues** 

Lostwood
Bismarck Fargo
Dunn
TRNP-NU
Beulah
Hannover 8

-Hour Ozone Standard