# APPENDIX M: Utah Class I Area Monitoring Data Summary Tables and Charts Includes the following subsections: Subsection IMPROVE Monitor Class I Area(s) Represented M.1 BRCA1 Bryce Canyon NP M.2 CANY1 Canyonlands NP and Arches NP M.3 CAPI1 Capitol Reef NP M.4 ZICA1 Zion NP

# M.1. BRYCE CANYON NP (BRCA1) The following tables and figures are presented in this section for the Bryce Canyon NP represented by the BRCA1 IMPROVE Monitor:

 

# Table M.1-1: Annual Averages, 5-Year Period Averages, and Trends:Table of averages and other metrics for the 20% least impaired days, the 20% most impaired days, and all sampled days is presented.

 

# Figure M.1-1: Annual and 5-Year Period Averages for the 20% Most Impaired Visibility Days:Line graphs depicting annual andperiod averagesby component are presented.

 

# Figure M.1-2: Annual and 5-Year PeriodAverages for the 20% Least Impaired Visibility Days:Line graphs depicting annual and period averages by component are presented.

 

# Figure M.1-3: 20% Most Impaired Visibility Days: Pie charts depicting period averages and stacked bar charts depicting annual averagesby component for the 20% most impaired days are presented.

 

# Figure M.1-4: 20% Least Impaired Visibility Days: Pie charts depicting period averages and stacked bar charts depicting annual averages by component are presented.

 

# Figure M.1-5: 2000-2004 Monthly Average Aerosol Extinction, All Monitored Days:Line graphs depicting monthly averages by year and component for the baseline period are presented.

 

# Figure M.1-6: 2005-2009 Monthly Average Aerosol Extinction, All Monitored Days:Line graphs depicting monthly averages by year and component for the progress period are presented.

 

# Figure M.1-7: 2000-2004 Progress PeriodExtinction, All Sampled Days:Stacked bar charts depicting daily averages by year and component for the baseline period are presented.

 

# Figure M.1-8: 2000-2004 Progress Period Extinction, All Sampled Days: Stacked bar charts depicting daily averages by year and component for the progress period are presented.2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Slope (change/yr.) p-value Baseline (B) Progress

(P) Difference

(P -B) Percent

Change Baseline Period Progress Period 2000-2009 Trend Statistics* Period Averages** Group 

## Annual Averages, 5-Year Period Averages and Trends Table M.1-1 Bryce Canyon NP, UT (BRCA1 Site)

Deciview (dv) 3.0 Best 20% Days 3.1 2.6 2.4 2.8 1.9 2.4 2.4 1.7 2.1 1.5 -0.1 0.0 2.8 2.1 -0.7 -25%

10.8 Worst 20% Days 11.3 13.2 11.1 11.8 11.8 10.7 12.7 11.0 13.3 9.2 0.1 0.2 11.6 11.9 0.3 3%

6.8 All Days 7.0 7.3 6.3 7.0 6.5 6.3 7.1 6.1 6.6 5.4 -0.1 0.2 6.9 6.5 -0.4 -6% Total Extinction (Mm-1) 13.5 Best 20% Days 13.6 13.0 12.7 13.3 12.1 12.7 12.8 11.8 12.4 11.6 -0.1 0.0 13.2 12.4 -0.8 -6%

30.0 Worst 20% Days 33.0 38.8 33.8 33.4 33.8 29.4 37.9 30.9 43.7 25.9 0.4 0.2 33.8 35.1 1.3 4%

20.5 All Days 21.5 22.5 20.4 21.4 20.5 19.7 22.3 19.6 22.3 17.9 0.0 0.3 21.2 20.9 -0.3 -1% Ammonium Sulfate Extinction (Mm-1) 1.6 Best 20% Days 1.8 1.4 1.1 1.5 1.2 1.7 1.3 1.1 1.4 1.0 0.0 0.2 1.5 1.4 -0.1 -7%

6.5 Worst 20% Days 6.3 4.2 4.4 4.8 6.2 5.1 4.9 5.0 4.0 4.3 -0.2 0.2 5.2 5.0 -0.2 -4%

3.8 All Days 4.1 3.0 2.7 3.3 3.8 3.6 3.4 3.1 2.8 2.7 -0.1 0.2 3.4 3.3 -0.1 -3% Ammonium Nitrate Extinction (Mm-1) 0.7 Best 20% Days 0.8 0.8 0.5 0.7 0.4 0.4 0.7 0.4 0.6 0.4 0.0 0.0 0.7 0.5 -0.2 -29%

2.6 Worst 20% Days 3.8 1.4 1.4 3.4 2.3 2.3 3.8 1.5 1.4 3.1 -0.1 0.4 2.5 2.2 -0.3 -12% 1.4 All Days 1.6 1.5 1.2 1.7 1.1 1.3 1.8 1.0 1.0 1.2 0.0 0.2 1.5 1.2 -0.3 -20% Particulate Organic Mass Extinction (Mm-1) 1.2 Best 20% Days 0.8 1.0 1.1 1.1 0.8 0.7 0.9 0.6 0.6 0.7 -0.1 0.0 1.0 0.7 -0.3 -30%

6.1 Worst 20% Days 7.5 14.1 11.1 8.0 10.5 7.5 13.0 7.5 20.7 4.8 0.5 0.2 9.4 11.8 2.4 26%

3.1 All Days 3.2 4.6 4.0 3.6 3.8 2.9 4.4 3.0 5.7 2.3 0.1 0.3 3.7 4.0 0.3 8% Elemental Carbon Extinction (Mm-1) 0.4 Best 20% Days 0.4 0.4 0.3 0.5 0.3 0.3 0.2 0.2 0.2 0.2 0.0 0.0 0.4 0.2 -0.2 -50%

2.1 Worst 20% Days 1.9 2.3 2.4 3.2 2.6 2.1 3.0 1.5 3.5 1.3 0.1 0.2 2.4 2.5 0.1 4%

1.2 All Days 1.1 1.0 1.1 1.4 1.1 1.0 1.2 0.7 1.2 0.7 0.0 0.4 1.2 1.0 -0.2 -17% Soil Extinction (Mm-1) 0.2 Best 20% Days 0.2 0.1 0.1 0.2 0.1 0.1 0.2 0.1 0.2 0.1 0.0 0.4 0.1 0.1 0.0 0%

1.0 Worst 20% Days 1.4 1.5 1.1 1.2 0.8 0.8 1.2 2.4 1.3 0.8 0.0 0.3 1.2 1.3 0.1 8%

0.5 All Days 0.7 0.7 0.5 0.6 0.4 0.5 0.7 0.9 0.7 0.5 0.0 0.2 0.6 0.6 0.0 0% Coarse Mass Extinction (Mm-1) 0.5 Best 20% Days 0.7 0.4 0.5 0.3 0.3 0.4 0.4 0.4 0.4 0.2 0.0 0.1 0.5 0.4 -0.1 -20%

2.6 Worst 20% Days 3.1 6.1 4.3 3.9 2.5 2.6 2.9 3.7 3.7 2.5 0.0 0.4 4.0 3.1 -0.9 -23%

1.5 All Days 1.7 2.5 1.8 1.7 1.2 1.4 1.7 1.7 1.8 1.4 0.0 0.4 1.9 1.6 -0.3 -16% Sea Salt Extinction (Mm-1) 0.0 Best 20% Days 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0%

0.0 Worst 20% Days 0.0 0.3 0.0 0.1 0.0 0.0 0.1 0.2 0.1 0.1 0.0 0.1 0.1 0.1 0.0 0%

0.0 All Days 0.0 0.1 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.3 0.0 0.0 0.0 0% *Values highlighted in blue (red) indicate statistically significant decreasing (increasing) annual trend. Significance is measured at the 85% confidence level (p-value≤0.15). **Values highlighted in blue indicate a decrease in the 5-year average, values highlighted in red indicate an increase. "---" Indicates a missing year that did not meet RHR data completeness criteria.

## 20% Most Impaired Visibility Days

20% Least Impaired Visibility Days

2.8 2.1 0 2 4 6 8 10 Deciveiw (dv) 

### Deciview Period Average 11.9 11.6

0 2 4 6 8 10 12 14 Deciveiw (dv) 

### Deciview Period Average

0 5 10 15 20 25

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Extinction (Mm-1) 

### Ammonium Sulfate Ammonium Nitrate Particulate Organic Mass Elemental Carbon Soil Coarse Mass Sea Salt Expr1

0 2 4 6 8 10

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Extinction (Mm-1) 

### Ammonium Sulfate Ammonium Nitrate Particulate Organic Mass Elemental Carbon Soil Coarse Mass Sea Salt Expr1 

## Annual and 5-Year Period Averages

Figure M.1-1 Bryce Canyon NP, UT (BRCA1 Site)

Annual and 5-Year Period Averages

Figure M.1-2 Bryce Canyon NP, UT (BRCA1 Site)

# Bryce Canyon NP, UT (BRCA1 Site) Figure M.1-3 20% Most Impaired Visibility Days

27%

15% 7% 28% 7% 4% 12% 0% 11.6 dv (10.8 - 13.2 dv )

Ammonium Sulfate Rayleigh Coarse Mass Soil Elemental Carbon Particulate Organic Mass Ammonium Nitrate 

## 11.9 dv (10.7 - 13.3 dv ) 

## 2000-2004 Baseline Average 2005-2009 Progress Period Average
26%

14% 6% 34% 7% 4% 9% 0%

0 5 10 15 20 25 30 35 40 45 50

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Extinction (Mm -1 ) Sea Salt

# Bryce Canyon NP, UT (BRCA1 Site) Figure M.1-4 20% Least Impaired Visibility Days

68% 11% 5%8% 3%

1%4% 0% 2.8 dv (2.4 - 3.1 dv )

Ammonium Sulfate Rayleigh Coarse Mass Soil Elemental Carbon Particulate Organic Mass Ammonium Nitrate 

## 2.1 dv (1.7 - 2.4 dv ) 

## 2000-2004 Baseline Average 2005-2009 Progress Period Average

73% 11%4% 6%2%

1% 3% 0%

0 5 10 15 20 25 30 35 40 45 50

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Extinction (Mm -1 ) Sea Salt

## 2000-2004 Monthly Average Aerosol Extinction, All Monitored Days Figure M.1-5 Bryce Canyon NP, UT (BRCA1 Site)

0 5 10 15 20 251 - '04 2 - '04 3 - '04 4 - '04 5 - '04 6 - '04 7 - '04 8 - '04 9 - '04 10 - '04 11 - '04 12 - '04 Extinction (Mm -1 )



### Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 0 5 10 15 20 251 - '00 2 - '00 3 - '00 4 - '00 5 - '00 6 - '00 7 - '00 8 - '00 9 - '00 10 - '00 11 - '00 12 - '00 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '01 2 - '01 3 - '01 4 - '01 5 - '01 6 - '01 7 - '01 8 - '01 9 - '01 10 - '01 11 - '01 12 - '01 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '02 2 - '02 3 - '02 4 - '02 5 - '02 6 - '02 7 - '02 8 - '02 9 - '02 10 - '02 11 - '02 12 - '02 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '03 2 - '03 3 - '03 4 - '03 5 - '03 6 - '03 7 - '03 8 - '03 9 - '03 10 - '03 11 - '03 12 - '03 Extinction (Mm -1 )

## 2005-2009 Monthly Average Aerosol Extinction, All Monitored Days Figure M.1-6 Bryce Canyon NP, UT (BRCA1 Site)

0 10 20 30 40 501 - '09 2 - '09 3 - '09 4 - '09 5 - '09 6 - '09 7 - '09 8 - '09 9 - '09 10 - '09 11 - '09 12 - '09 Extinction (Mm -1 )



### Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 0 10 20 30 40 501 - '05 2 - '05 3 - '05 4 - '05 5 - '05 6 - '05 7 - '05 8 - '05 9 - '05 10 - '05 11 - '05 12 - '05 Extinction (Mm -1 )



### 0 10 20 30 40 501 - '06 2 - '06 3 - '06 4 - '06 5 - '06 6 - '06 7 - '06 8 - '06 9 - '06 10 - '06 11 - '06 12 - '06 Extinction (Mm -1 )



### 0 10 20 30 40 501 - '07 2 - '07 3 - '07 4 - '07 5 - '07 6 - '07 7 - '07 8 - '07 9 - '07 10 - '07 11 - '07 12 - '07 Extinction (Mm -1 )



### 0 10 20 30 40 501 - '08 2 - '08 3 - '08 4 - '08 5 - '08 6 - '08 7 - '08 8 - '08 9 - '08 10 - '08 11 - '08 12 - '08 Extinction (Mm -1 )

## 2000-2004 Progress Period Extinction, All Sampled Days Figure M.1-7 Bryce Canyon NP, UT (BRCA1 Site)

x 

### 0 20 40 60 80 100 Jan-01 Feb-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01 Extinction (Mm -1 ) 

### 0 20 40 60 80 100 Jan-00 Feb-00 Mar-00 Apr-00 May-00 Jun-00 Jul-00 Aug-00 Sep-00 Oct-00 Nov-00 Dec-00 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-02 Feb-02 Mar-02 Apr-02 May-02 Jun-02 Jul-02 Aug-02 Sep-02 Oct-02 Nov-02 Dec-02 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-04 Feb-04 Mar-04 Apr-04 May-04 Jun-04 Jul-04 Aug-04 Sep-04 Oct-04 Nov-04 Dec-04 Extinction (Mm -1 )



### Rayleigh Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 

## Indicates 20% Worst Day 0 20 40 60 80 100 Jan-03 Feb-03 Mar-03 Apr-03 May-03 Jun-03 Jul-03 Aug-03 Sep-03 Oct-03 Nov-03 Dec-03 Extinction (Mm -1 )

## 2005-2009 Progress Period Extinction, All Sampled Days Figure M.1-8 Bryce Canyon NP, UT (BRCA1 Site)

x 

### 0 20 40 60 80 100 Jan-06 Feb-06 Mar-06 Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Extinction (Mm -1 ) 

### 0 20 40 60 80 100 Jan-05 Feb-05 Mar-05 Apr-05 May-05 Jun-05 Jul-05 Aug-05 Sep-05 Oct-05 Nov-05 Dec-05 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-07 Feb-07 Mar-07 Apr-07 May-07 Jun-07 Jul-07 Aug-07 Sep-07 Oct-07 Nov-07 Dec-07 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-09 Feb-09 Mar-09 Apr-09 May-09 Jun-09 Jul-09 Aug-09 Sep-09 Oct-09 Nov-09 Dec-09 Extinction (Mm -1 )



### Rayleigh Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 

## Indicates 20% Worst Day 0 20 40 60 80 100 Jan-08 Feb-08 Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 Oct-08 Nov-08 Dec-08 Extinction (Mm -1 )

# M.2. CANYONLANDS NPAND ARCHES NP (CANY1) The following tables and figures are presentedin this section forthe Canyonlands NP and Arches NP represented by the CANY1 IMPROVE Monitor:

 

# Table M.2-1: Annual Averages, 5-Year Period Averages, and Trends:Table of averages and other metrics for the 20% least impaired days, the 20% most impaired days, and all sampled days is presented.

 

# Figure M.2-1: Annual and 5-Year Period Averages for the 20% Most Impaired Visibility Days:Line graphs depicting annual andperiod averagesby component are presented.

 

# Figure M.2-2: Annual and 5-Year PeriodAverages for the 20% Least Impaired Visibility Days:Line graphs depicting annual and period averages by component are presented.

 

# Figure M.2-3: 20% Most Impaired Visibility Days: Pie charts depicting period averages and stacked bar charts depicting annual averagesby component for the 20% most impaired days are presented.

 

# Figure M.2-4: 20% Least Impaired Visibility Days: Pie charts depicting period averages and stacked bar charts depicting annual averages by component are presented.

 

# Figure M.2-5: 2000-2004 Monthly Average Aerosol Extinction, All Monitored Days:Line graphs depicting monthly averages by year and component for the baseline period are presented.

 

# Figure M.2-6: 2005-2009 Monthly Average Aerosol Extinction, All Monitored Days:Line graphs depicting monthly averages by year and component for the progress period are presented.

 

# Figure M.2-7: 2000-2004 Progress PeriodExtinction, All Sampled Days:Stacked bar charts depicting daily averages by year and component for the baseline period are presented.

 

# Figure M.2-8: 2000-2004 Progress Period Extinction, All Sampled Days: Stacked bar charts depicting daily averages by year and component for the progress period are presented.2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Slope (change/yr.) p-value Baseline (B) Progress

(P) Difference

(P -B) Percent

Change Baseline Period Progress Period 2000-2009 Trend Statistics* Period Averages** Group 

## Annual Averages, 5-Year Period Averages and Trends Table M.2-1 Canyonlands NP and Arches NP, UT (CANY1 Site)

Deciview (dv) 3.6 Best 20% Days 4.1 4.2 3.3 3.5 2.3 2.7 3.0 2.7 3.3 2.6 -0.1 0.1 3.7 2.8 -0.9 -24%

11.2 Worst 20% Days 10.9 12.7 11.8 9.6 10.6 10.5 11.4 11.1 11.5 10.6 0.0 0.5 11.2 11.0 -0.2 -2%

7.2 All Days 7.4 7.9 6.9 6.4 6.4 6.6 7.1 6.7 6.4 6.1 -0.1 0.0 7.2 6.6 -0.6 -8% Total Extinction (Mm-1) 14.4 Best 20% Days 15.1 15.3 14.0 14.3 12.7 13.1 13.6 13.2 13.9 13.0 -0.2 0.1 14.6 13.3 -1.3 -9%

31.6 Worst 20% Days 30.3 36.9 33.2 26.5 29.2 28.9 32.8 31.7 35.2 30.4 0.2 0.4 31.7 31.6 -0.1 0%

21.4 All Days 21.6 23.3 21.1 19.5 19.8 20.1 21.4 20.6 20.5 19.4 -0.1 0.2 21.4 20.5 -0.9 -4% Ammonium Sulfate Extinction (Mm-1) 2.1 Best 20% Days 2.3 2.4 1.9 2.1 1.8 1.9 1.7 1.7 2.0 1.7 -0.1 0.0 2.2 1.8 -0.4 -18%

6.3 Worst 20% Days 6.8 4.0 5.5 5.3 5.8 5.6 5.0 5.2 4.8 5.6 -0.1 0.1 5.6 5.3 -0.3 -5%

4.1 All Days 4.5 3.6 3.4 3.6 4.1 3.8 3.6 3.4 3.0 3.2 -0.1 0.0 3.8 3.6 -0.2 -5% Ammonium Nitrate Extinction (Mm-1) 0.4 Best 20% Days 0.6 0.8 0.6 0.5 0.4 0.5 0.6 0.6 0.6 0.5 0.0 0.3 0.6 0.5 -0.1 -17%

3.4 Worst 20% Days 3.9 2.1 2.1 3.2 3.9 3.4 3.7 1.6 3.7 5.1 0.0 0.5 3.0 3.3 0.3 10% 1.4 All Days 1.8 1.6 1.2 1.5 1.3 1.4 1.5 1.1 1.3 1.6 0.0 0.1 1.5 1.3 -0.2 -13% Particulate Organic Mass Extinction (Mm-1) 1.2 Best 20% Days 1.2 1.2 1.0 1.1 0.5 0.5 0.7 0.8 0.7 0.8 -0.1 0.0 1.1 0.7 -0.4 -36%

6.4 Worst 20% Days 4.2 11.0 9.5 4.2 4.7 4.3 8.7 4.4 8.6 3.5 0.0 0.5 7.1 6.2 -0.9 -13%

3.2 All Days 2.5 3.9 3.6 2.5 2.3 2.3 3.4 2.4 3.1 2.0 0.0 0.2 3.1 2.7 -0.4 -13% Elemental Carbon Extinction (Mm-1) 0.4 Best 20% Days 0.5 0.5 0.4 0.4 0.2 0.4 0.3 0.3 0.3 0.2 0.0 0.0 0.4 0.3 -0.1 -25%

2.1 Worst 20% Days 1.4 2.0 1.9 1.3 1.8 1.7 2.1 0.9 1.7 1.2 0.0 0.2 1.7 1.6 -0.1 -6%

1.2 All Days 0.9 1.1 1.0 0.8 0.9 1.0 1.0 0.6 0.7 0.6 0.0 0.1 1.0 0.8 -0.2 -20% Soil Extinction (Mm-1) 0.2 Best 20% Days 0.4 0.4 0.2 0.3 0.1 0.2 0.3 0.2 0.3 0.2 0.0 0.2 0.3 0.2 -0.1 -33%

0.8 Worst 20% Days 1.8 2.8 1.0 0.9 0.9 1.4 0.9 2.6 1.8 1.4 0.0 0.3 1.5 1.5 0.0 0%

0.5 All Days 0.8 1.3 0.6 0.6 0.5 0.6 0.7 1.0 0.8 0.7 0.0 0.2 0.8 0.7 -0.1 -13% Coarse Mass Extinction (Mm-1) 1.0 Best 20% Days 1.1 1.1 0.9 0.7 0.6 0.6 0.9 0.6 0.9 0.6 -0.1 0.1 1.0 0.7 -0.3 -30%

3.4 Worst 20% Days 3.1 6.0 4.1 2.4 3.0 3.5 3.3 7.8 5.4 4.5 0.2 0.2 3.8 4.6 0.8 21%

2.0 All Days 2.0 2.7 2.3 1.6 1.7 2.0 2.2 3.0 2.5 2.3 0.1 0.2 2.1 2.3 0.2 10% Sea Salt Extinction (Mm-1) 0.0 Best 20% Days 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0%

0.0 Worst 20% Days 0.1 0.0 0.0 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.0 0.0 0.1 0.1 0.0 0%

0.0 All Days 0.1 0.1 0.0 0.1 0.0 0.0 0.1 0.1 0.1 0.0 0.0 0.2 0.0 0.1 0.1 0% *Values highlighted in blue (red) indicate statistically significant decreasing (increasing) annual trend. Significance is measured at the 85% confidence level (p-value≤0.15). **Values highlighted in blue indicate a decrease in the 5-year average, values highlighted in red indicate an increase. "---" Indicates a missing year that did not meet RHR data completeness criteria.

## 20% Most Impaired Visibility Days

20% Least Impaired Visibility Days

3.7 2.8 0 2 4 6 8 10 Deciveiw (dv) 

### Deciview Period Average 11.0 11.2

0 2 4 6 8 10 12 14 Deciveiw (dv) 

### Deciview Period Average

0 2 4 6 8 10 12 14

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Extinction (Mm-1) 

### Ammonium Sulfate Ammonium Nitrate Particulate Organic Mass Elemental Carbon Soil Coarse Mass Sea Salt Expr1

0 2 4 6 8 10

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Extinction (Mm-1) 

### Ammonium Sulfate Ammonium Nitrate Particulate Organic Mass Elemental Carbon Soil Coarse Mass Sea Salt Expr1 

## Annual and 5-Year Period Averages

Figure M.2-1 Canyonlands NP and Arches NP, UT (CANY1 Site)

Annual and 5-Year Period Averages

Figure M.2-2 Canyonlands NP and Arches NP, UT (CANY1 Site)

# Canyonlands NP and Arches NP, UT (CANY1 Site) Figure M.2-3 20% Most Impaired Visibility Days

28%

18% 9% 22% 6% 5% 12% 0% 11.2 dv (9.6 - 12.7 dv )

Ammonium Sulfate Rayleigh Coarse Mass Soil Elemental Carbon Particulate Organic Mass Ammonium Nitrate 

## 11 dv (10.5 - 11.5 dv ) 

## 2000-2004 Baseline Average 2005-2009 Progress Period Average

29%

17% 10% 19% 5% 5% 15% 0%

0 5 10 15 20 25 30 35 40 45 50

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Extinction (Mm -1 ) Sea Salt

# Canyonlands NP and Arches NP, UT (CANY1 Site) Figure M.2-4 20% Least Impaired Visibility Days

61% 15% 4% 8% 3% 2% 7% 0% 3.7 dv (3.3 - 4.2 dv )

Ammonium Sulfate Rayleigh Coarse Mass Soil Elemental Carbon Particulate Organic Mass Ammonium Nitrate 

## 2.8 dv (2.3 - 3.3 dv ) 

## 2000-2004 Baseline Average 2005-2009 Progress Period Average

68% 14% 4%5%2% 2% 5%0%

0 5 10 15 20 25 30 35 40 45 50

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Extinction (Mm -1 ) Sea Salt

## 2000-2004 Monthly Average Aerosol Extinction, All Monitored Days Figure M.2-5 Canyonlands NP and Arches NP, UT (CANY1 Site)

0 5 10 15 20 251 - '04 2 - '04 3 - '04 4 - '04 5 - '04 6 - '04 7 - '04 8 - '04 9 - '04 10 - '04 11 - '04 12 - '04 Extinction (Mm -1 )



### Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 0 5 10 15 20 251 - '00 2 - '00 3 - '00 4 - '00 5 - '00 6 - '00 7 - '00 8 - '00 9 - '00 10 - '00 11 - '00 12 - '00 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '01 2 - '01 3 - '01 4 - '01 5 - '01 6 - '01 7 - '01 8 - '01 9 - '01 10 - '01 11 - '01 12 - '01 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '02 2 - '02 3 - '02 4 - '02 5 - '02 6 - '02 7 - '02 8 - '02 9 - '02 10 - '02 11 - '02 12 - '02 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '03 2 - '03 3 - '03 4 - '03 5 - '03 6 - '03 7 - '03 8 - '03 9 - '03 10 - '03 11 - '03 12 - '03 Extinction (Mm -1 )

## 2005-2009 Monthly Average Aerosol Extinction, All Monitored Days Figure M.2-6 Canyonlands NP and Arches NP, UT (CANY1 Site)

0 5 10 15 20 251 - '09 2 - '09 3 - '09 4 - '09 5 - '09 6 - '09 7 - '09 8 - '09 9 - '09 10 - '09 11 - '09 12 - '09 Extinction (Mm -1 )



### Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 0 5 10 15 20 251 - '05 2 - '05 3 - '05 4 - '05 5 - '05 6 - '05 7 - '05 8 - '05 9 - '05 10 - '05 11 - '05 12 - '05 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '06 2 - '06 3 - '06 4 - '06 5 - '06 6 - '06 7 - '06 8 - '06 9 - '06 10 - '06 11 - '06 12 - '06 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '07 2 - '07 3 - '07 4 - '07 5 - '07 6 - '07 7 - '07 8 - '07 9 - '07 10 - '07 11 - '07 12 - '07 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '08 2 - '08 3 - '08 4 - '08 5 - '08 6 - '08 7 - '08 8 - '08 9 - '08 10 - '08 11 - '08 12 - '08 Extinction (Mm -1 )

## 2000-2004 Progress Period Extinction, All Sampled Days Figure M.2-7 Canyonlands NP and Arches NP, UT (CANY1 Site)

x 

### 0 20 40 60 80 100 Jan-01 Feb-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01 Extinction (Mm -1 ) 

### 0 20 40 60 80 100 Jan-00 Feb-00 Mar-00 Apr-00 May-00 Jun-00 Jul-00 Aug-00 Sep-00 Oct-00 Nov-00 Dec-00 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-02 Feb-02 Mar-02 Apr-02 May-02 Jun-02 Jul-02 Aug-02 Sep-02 Oct-02 Nov-02 Dec-02 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-04 Feb-04 Mar-04 Apr-04 May-04 Jun-04 Jul-04 Aug-04 Sep-04 Oct-04 Nov-04 Dec-04 Extinction (Mm -1 )



### Rayleigh Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 

## Indicates 20% Worst Day 0 20 40 60 80 100 Jan-03 Feb-03 Mar-03 Apr-03 May-03 Jun-03 Jul-03 Aug-03 Sep-03 Oct-03 Nov-03 Dec-03 Extinction (Mm -1 )

## 2005-2009 Progress Period Extinction, All Sampled Days Figure M.2-8 Canyonlands NP and Arches NP, UT (CANY1 Site)

x 

### 0 20 40 60 80 100 Jan-06 Feb-06 Mar-06 Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Extinction (Mm -1 ) 

### 0 20 40 60 80 100 Jan-05 Feb-05 Mar-05 Apr-05 May-05 Jun-05 Jul-05 Aug-05 Sep-05 Oct-05 Nov-05 Dec-05 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-07 Feb-07 Mar-07 Apr-07 May-07 Jun-07 Jul-07 Aug-07 Sep-07 Oct-07 Nov-07 Dec-07 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-09 Feb-09 Mar-09 Apr-09 May-09 Jun-09 Jul-09 Aug-09 Sep-09 Oct-09 Nov-09 Dec-09 Extinction (Mm -1 )



### Rayleigh Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 

## Indicates 20% Worst Day 0 20 40 60 80 100 Jan-08 Feb-08 Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 Oct-08 Nov-08 Dec-08 Extinction (Mm -1 )

# M.3. CAPITOL REEF NP (CAPI1) The following tables and figures are presentedin this section for the Capitol Reef NP represented by the CAPI1 IMPROVE Monitor:

 

# Table M.3-1: Annual Averages, 5-Year Period Averages, and Trends:Table of averages and other metrics for the 20% least impaired days, the 20% most impaired days, and all sampled days is presented.

 

# Figure M.3-1: Annual and 5-Year Period Averages for the 20% Most Impaired Visibility Days:Line graphs depicting annual andperiod averagesby component are presented.

 

# Figure M.3-2: Annual and 5-Year PeriodAverages for the 20% Least Impaired Visibility Days:Line graphs depicting annual and period averages by component are presented.

 

# Figure M.3-3: 20% Most Impaired Visibility Days: Pie charts depicting period averages and stacked bar charts depicting annual averagesby component for the 20% most impaired days are presented.

 

# Figure M.3-4: 20% Least Impaired Visibility Days: Pie charts depicting period averages and stacked bar charts depicting annual averages by component are presented.

 

# Figure M.3-5: 2000-2004 Monthly Average Aerosol Extinction, All Monitored Days:Line graphs depicting monthly averages by year and component for the baseline period are presented.

 

# Figure M.3-6: 2005-2009 Monthly Average Aerosol Extinction, All Monitored Days:Line graphs depicting monthly averages by year and component for the progress period are presented.

 

# Figure M.3-7: 2000-2004 Progress PeriodExtinction, All Sampled Days:Stacked bar charts depicting daily averages by year and component for the baseline period are presented.

 

# Figure M.3-8: 2000-2004 Progress Period Extinction, All Sampled Days: Stacked bar charts depicting daily averages by year and component for the progress period are presented.2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Slope (change/yr.) p-value Baseline (B) Progress

(P) Difference

(P -B) Percent

Change Baseline Period Progress Period 2000-2009 Trend Statistics* Period Averages** Group 

## Annual Averages, 5-Year Period Averages and Trends Table M.3-1 Capitol Reef NP, UT (CAPI1 Site)

Deciview (dv) 4.5 Best 20% Days 4.6 4.3 3.1 4.1 2.6 --- 3.1 2.5 2.7 2.0 -0.2 0.0 4.1 2.7 -1.4 -34%

11.6 Worst 20% Days 10.8 12.1 9.4 10.6 11.8 --- 11.7 11.4 10.3 9.5 -0.1 0.3 10.9 11.3 0.4 4%

7.6 All Days 7.6 7.7 6.1 7.2 7.0 --- 7.0 6.6 6.3 5.7 -0.1 0.0 7.2 6.7 -0.5 -7% Total Extinction (Mm-1) 15.7 Best 20% Days 15.8 15.4 13.7 15.2 13.0 --- 13.7 12.9 13.2 12.2 -0.3 0.0 15.2 13.2 -2.0 -13%

33.2 Worst 20% Days 29.8 34.1 25.7 29.1 33.4 --- 34.7 32.2 30.1 26.2 0.0 0.5 30.4 32.6 2.2 7%

22.2 All Days 22.0 22.5 19.0 21.1 21.4 --- 21.6 20.5 19.8 18.4 -0.2 0.1 21.4 20.8 -0.6 -3% Ammonium Sulfate Extinction (Mm-1) 1.9 Best 20% Days 2.2 1.9 1.4 2.2 1.6 --- 1.6 1.4 1.9 1.3 -0.1 0.1 1.9 1.6 -0.3 -16%

6.3 Worst 20% Days 7.1 4.2 5.1 6.7 7.3 --- 5.6 5.1 4.8 5.1 -0.1 0.3 5.9 5.7 -0.2 -3%

4.1 All Days 4.5 3.2 3.1 4.0 4.4 --- 3.6 3.4 3.1 3.0 -0.1 0.1 3.8 3.6 -0.2 -5% Ammonium Nitrate Extinction (Mm-1) 1.1 Best 20% Days 1.2 1.1 0.7 0.9 0.4 --- 0.6 0.6 0.6 0.3 -0.1 0.0 1.0 0.6 -0.4 -40%

3.1 Worst 20% Days 4.7 3.5 2.0 3.8 3.3 --- 3.2 2.2 2.2 5.3 -0.2 0.1 3.4 2.7 -0.7 -21% 1.8 All Days 2.1 2.1 1.3 2.0 1.4 --- 1.6 1.2 1.2 1.8 -0.1 0.0 1.9 1.3 -0.6 -32% Particulate Organic Mass Extinction (Mm-1) 1.7 Best 20% Days 1.1 1.6 1.0 1.4 1.0 --- 1.1 0.9 0.5 0.8 -0.1 0.0 1.3 0.9 -0.4 -31%

7.2 Worst 20% Days 3.8 9.0 4.8 4.4 7.4 --- 9.5 6.9 6.6 2.9 0.2 0.4 5.8 7.6 1.8 31%

3.4 All Days 2.6 3.7 2.5 2.8 3.2 --- 3.6 2.9 2.7 1.8 0.0 0.5 3.0 3.1 0.1 3% Elemental Carbon Extinction (Mm-1) 0.6 Best 20% Days 0.6 0.8 0.5 0.5 0.4 --- 0.4 0.3 0.2 0.3 0.0 0.0 0.6 0.3 -0.3 -50%

2.0 Worst 20% Days 1.4 2.0 1.3 1.4 2.5 --- 2.2 1.3 1.1 1.0 0.0 0.2 1.6 1.8 0.2 13%

1.2 All Days 1.0 1.2 0.9 0.9 1.2 --- 1.0 0.7 0.7 0.6 0.0 0.1 1.0 0.9 -0.1 -10% Soil Extinction (Mm-1) 0.2 Best 20% Days 0.3 0.2 0.4 0.4 0.1 --- 0.3 0.1 0.3 0.2 0.0 0.5 0.3 0.2 -0.1 -33%

1.0 Worst 20% Days 1.4 1.5 0.8 1.5 0.8 --- 1.3 2.4 1.9 0.8 0.1 0.1 1.3 1.6 0.3 23%

0.5 All Days 0.8 0.8 0.6 1.0 0.5 --- 0.7 0.9 0.9 0.6 0.0 0.2 0.7 0.8 0.1 14% Coarse Mass Extinction (Mm-1) 1.2 Best 20% Days 1.4 0.8 0.7 0.7 0.4 --- 0.7 0.6 0.7 0.4 -0.1 0.0 1.0 0.6 -0.4 -40%

4.6 Worst 20% Days 2.5 4.9 2.7 2.1 3.0 --- 3.8 5.1 4.3 2.2 0.1 0.2 3.4 4.1 0.7 21%

2.2 All Days 2.1 2.5 1.5 1.4 1.6 --- 2.0 2.2 2.1 1.5 0.0 0.5 2.0 2.0 0.0 0% Sea Salt Extinction (Mm-1) 0.0 Best 20% Days 0.1 0.0 0.1 0.1 0.0 --- 0.1 0.1 0.0 0.0 0.0 0.4 0.1 0.0 -0.1 -100%

0.0 Worst 20% Days 0.0 0.0 0.0 0.0 0.0 --- 0.1 0.2 0.1 0.1 0.0 0.0 0.0 0.1 0.1 0%

0.0 All Days 0.0 0.0 0.0 0.1 0.0 --- 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0% *Values highlighted in blue (red) indicate statistically significant decreasing (increasing) annual trend. Significance is measured at the 85% confidence level (p-value≤0.15). **Values highlighted in blue indicate a decrease in the 5-year average, values highlighted in red indicate an increase. "---" Indicates a missing year that did not meet RHR data completeness criteria.

## 20% Most Impaired Visibility Days

20% Least Impaired Visibility Days

4.1 2.7 0 2 4 6 8 10 Deciveiw (dv) 

### Deciview Period Average 11.3 10.9

0 2 4 6 8 10 12 14 Deciveiw (dv) 

### Deciview Period Average

0 2 4 6 8 10 12 14

2000 2001 2002 2003 2004 2005 2006* 2007 2008 2009 2010 Extinction (Mm-1) 

### Ammonium Sulfate Ammonium Nitrate Particulate Organic Mass Elemental Carbon Soil Coarse Mass Sea Salt Expr1

0 2 4 6 8 10

2000 2001 2002 2003 2004 2005 2006* 2007 2008 2009 2010 Extinction (Mm-1) 

### Ammonium Sulfate Ammonium Nitrate Particulate Organic Mass Elemental Carbon Soil Coarse Mass Sea Salt Expr1 

## Annual and 5-Year Period Averages

Figure M.3-1 Capitol Reef NP, UT (CAPI1 Site)

Annual and 5-Year Period Averages

Figure M.3-2 Capitol Reef NP, UT (CAPI1 Site)

*Missing years did not meet RHR data completeness criteria. *Missing years did not meet RHR data completeness criteria.

# Capitol Reef NP, UT (CAPI1 Site) Figure M.3-3 20% Most Impaired Visibility Days

31%

19% 11% 19% 5%4% 11% 0% 10.9 dv (9.4 - 12.1 dv )

Ammonium Sulfate Rayleigh Coarse Mass Soil Elemental Carbon Particulate Organic Mass Ammonium Nitrate 

## 11.3 dv (10.3 - 11.8 dv ) 

## 2000-2004 Baseline Average 2005-2009 Progress Period Average

29%

18% 8% 23% 5% 5% 12% 0%

0 5 10 15 20 25 30 35 40 45 50

2000 2001 2002 2003 2004 2005 2006* 2007 2008 2009 Extinction (Mm -1 ) Sea Salt



### *Missing years did not meet RHR data completeness criteria. Only complete years are included in 5-year average pie charts.

# Capitol Reef NP, UT (CAPI1 Site) Figure M.3-4 20% Least Impaired Visibility Days

60% 13% 6% 9% 4% 2% 6% 0% 4.1 dv (3.1 - 4.5 dv )

Ammonium Sulfate Rayleigh Coarse Mass Soil Elemental Carbon Particulate Organic Mass Ammonium Nitrate 

## 2.7 dv (2.5 - 3.1 dv ) 

## 2000-2004 Baseline Average 2005-2009 Progress Period Average

68% 12% 4%7% 3%

2% 4% 0%

0 5 10 15 20 25 30 35 40 45 50

2000 2001 2002 2003 2004 2005 2006* 2007 2008 2009 Extinction (Mm -1 ) Sea Salt



### *Missing years did not meet RHR data completeness criteria. Only complete years are included in 5-year average pie charts.

## 2000-2004 Monthly Average Aerosol Extinction, All Monitored Days Figure M.3-5 Capitol Reef NP, UT (CAPI1 Site)

0 5 10 15 20 251 - '04 2 - '04 3 - '04 4 - '04 5 - '04 6 - '04 7 - '04 8 - '04 9 - '04 10 - '04 11 - '04 12 - '04 Extinction (Mm -1 )



### Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 0 5 10 15 20 251 - '00 2 - '00 3 - '00 4 - '00 5 - '00 6 - '00 7 - '00 8 - '00 9 - '00 10 - '00 11 - '00 12 - '00 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '01 2 - '01 3 - '01 4 - '01 5 - '01 6 - '01 7 - '01 8 - '01 9 - '01 10 - '01 11 - '01 12 - '01 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '02 2 - '02 3 - '02 4 - '02 5 - '02 6 - '02 7 - '02 8 - '02 9 - '02 10 - '02 11 - '02 12 - '02 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '03 2 - '03 3 - '03 4 - '03 5 - '03 6 - '03 7 - '03 8 - '03 9 - '03 10 - '03 11 - '03 12 - '03 Extinction (Mm -1 )

## 2005-2009 Monthly Average Aerosol Extinction, All Monitored Days Figure M.3-6 Capitol Reef NP, UT (CAPI1 Site)

0 5 10 15 20 251 - '09 2 - '09 3 - '09 4 - '09 5 - '09 6 - '09 7 - '09 8 - '09 9 - '09 10 - '09 11 - '09 12 - '09 Extinction (Mm -1 )



### Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 0 5 10 15 20 251 - '05 2 - '05 3 - '05 4 - '05 5 - '05 6 - '05 7 - '05 8 - '05 9 - '05 10 - '05 11 - '05 12 - '05 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '06 2 - '06 3 - '06 4 - '06 5 - '06 6 - '06 7 - '06 8 - '06 9 - '06 10 - '06 11 - '06 12 - '06 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '07 2 - '07 3 - '07 4 - '07 5 - '07 6 - '07 7 - '07 8 - '07 9 - '07 10 - '07 11 - '07 12 - '07 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '08 2 - '08 3 - '08 4 - '08 5 - '08 6 - '08 7 - '08 8 - '08 9 - '08 10 - '08 11 - '08 12 - '08 Extinction (Mm -1 )

*Note that monthly averages for the year 2006 are shown here, but this year did not meet RHR data completeness criteria.

## 2000-2004 Progress Period Extinction, All Sampled Days Figure M.3-7 Capitol Reef NP, UT (CAPI1 Site)

x 

### 0 20 40 60 80 100 Jan-01 Feb-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01 Extinction (Mm -1 ) 

### 0 20 40 60 80 100 Jan-00 Feb-00 Mar-00 Apr-00 May-00 Jun-00 Jul-00 Aug-00 Sep-00 Oct-00 Nov-00 Dec-00 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-02 Feb-02 Mar-02 Apr-02 May-02 Jun-02 Jul-02 Aug-02 Sep-02 Oct-02 Nov-02 Dec-02 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-04 Feb-04 Mar-04 Apr-04 May-04 Jun-04 Jul-04 Aug-04 Sep-04 Oct-04 Nov-04 Dec-04 Extinction (Mm -1 )



### Rayleigh Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 

## Indicates 20% Worst Day 0 20 40 60 80 100 Jan-03 Feb-03 Mar-03 Apr-03 May-03 Jun-03 Jul-03 Aug-03 Sep-03 Oct-03 Nov-03 Dec-03 Extinction (Mm -1 )

## 2005-2009 Progress Period Extinction, All Sampled Days Figure M.3-8 Capitol Reef NP, UT (CAPI1 Site)

x 

### 0 20 40 60 80 100 Jan-06 Feb-06 Mar-06 Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Extinction (Mm -1 ) 

### 0 20 40 60 80 100 Jan-05 Feb-05 Mar-05 Apr-05 May-05 Jun-05 Jul-05 Aug-05 Sep-05 Oct-05 Nov-05 Dec-05 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-07 Feb-07 Mar-07 Apr-07 May-07 Jun-07 Jul-07 Aug-07 Sep-07 Oct-07 Nov-07 Dec-07 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-09 Feb-09 Mar-09 Apr-09 May-09 Jun-09 Jul-09 Aug-09 Sep-09 Oct-09 Nov-09 Dec-09 Extinction (Mm -1 )



### Rayleigh Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 

## Indicates 20% Worst Day 0 20 40 60 80 100 Jan-08 Feb-08 Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 Oct-08 Nov-08 Dec-08 Extinction (Mm -1 )

*Note that daily averages for the year 2006 are shown here, but this year did not meet RHR data completeness criteria.

# M.4. ZION NP (ZICA1) The following tables and figures are presentedin this section for the Zion NP represented by the ZICA1 IMPROVE Monitor:

 

# Table M.4-1: Annual Averages, 5-Year Period Averages, and Trends:Table of averages and other metrics for the 20% least impaired days, the 20% most impaired days, and all sampled days is presented.

 

# Figure M.4-1: Annual and 5-Year Period Averages for the 20% Most Impaired Visibility Days:Line graphs depicting annual andperiod averagesby component are presented.

 

# Figure M.4-2: Annual and 5-Year PeriodAverages for the 20% Least Impaired Visibility Days:Line graphs depicting annual and period averages by component are presented.

 

# Figure M.4-3: 20% Most Impaired Visibility Days: Pie charts depicting period averages and stacked bar charts depicting annual averagesby component for the 20% most impaired days are presented.

 

# Figure M.4-4: 20% Least Impaired Visibility Days: Pie charts depicting period averages and stacked bar charts depicting annual averages by component are presented.

 

# Figure M.4-5: 2000-2004 Monthly Average Aerosol Extinction, All Monitored Days:Line graphs depicting monthly averages by year and component for the baseline period are presented.

 

# Figure M.4-6: 2005-2009 Monthly Average Aerosol Extinction, All Monitored Days:Line graphs depicting monthly averages by year and component for the progress period are presented.

 

# Figure M.4-7: 2000-2004 Progress PeriodExtinction, All Sampled Days:Stacked bar charts depicting daily averages by year and component for the baseline period are presented.

 

# Figure M.4-8: 2000-2004 Progress Period Extinction, All Sampled Days: Stacked bar charts depicting daily averages by year and component for the progress period are presented.2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Slope (change/yr.) p-value Baseline (B) Progress

(P) Difference

(P -B) Percent

Change Baseline Period Progress Period 2000-2009 Trend Statistics* Period Averages** Group 

## Annual Averages, 5-Year Period Averages and Trends Table M.4-1 Zion NP, UT (ZICA1 Site)

Deciview (dv)

--- Best 20% Days --- --- --- 4.5 3.9 4.7 4.9 4.0 4.2 --- 0.0 0.5 5.0 4.3 -0.7 -14%

--- Worst 20% Days --- --- --- 12.2 11.6 13.3 13.0 12.9 10.8 --- -0.2 0.4 12.5 12.3 -0.2 -2%

--- All Days --- --- --- 8.2 7.7 8.3 8.7 8.1 7.3 --- -0.1 0.4 8.3 8.0 -0.3 -4% Total Extinction (Mm-1)

--- Best 20% Days --- --- --- 15.7 14.8 16.0 16.4 15.0 15.3 --- 0.1 0.5 16.5 15.5 -1.0 -6%

--- Worst 20% Days --- --- --- 34.3 32.6 39.4 38.0 39.1 29.6 --- -0.2 0.5 36.9 35.7 -1.2 -3%

--- All Days --- --- --- 23.7 22.4 24.4 25.0 24.2 21.3 --- -0.1 0.5 24.4 23.5 -0.9 -4% Ammonium Sulfate Extinction (Mm-1)

--- Best 20% Days --- --- --- 1.8 1.7 1.9 1.6 1.4 1.7 --- 0.0 0.1 1.8 1.7 -0.1 -6%

--- Worst 20% Days --- --- --- 6.9 6.8 5.7 4.9 4.9 4.8 --- -0.5 0.0 5.2 5.4 0.2 4%

--- All Days --- --- --- 4.1 4.2 3.9 3.5 3.5 3.2 --- -0.2 0.0 3.6 3.6 0.0 0% Ammonium Nitrate Extinction (Mm-1)

--- Best 20% Days --- --- --- 0.7 0.5 0.4 0.8 0.5 0.8 --- 0.0 0.2 0.8 0.6 -0.2 -25%

--- Worst 20% Days --- --- --- 2.8 1.5 1.8 2.2 2.1 2.1 --- -0.1 0.5 2.2 1.9 -0.3 -14%

--- All Days --- --- --- 1.3 0.8 1.0 1.5 1.1 1.0 --- 0.0 0.5 1.3 1.1 -0.2 -15% Particulate Organic Mass Extinction (Mm-1)

--- Best 20% Days --- --- --- 1.6 1.1 1.4 1.3 1.4 1.1 --- -0.1 0.4 1.8 1.3 -0.5 -28%

--- Worst 20% Days --- --- --- 5.6 6.5 11.4 9.9 10.4 4.4 --- 0.6 0.5 9.3 8.5 -0.8 -9%

--- All Days --- --- --- 3.2 3.0 4.1 4.0 4.1 2.5 --- 0.0 0.5 4.0 3.5 -0.5 -13% Elemental Carbon Extinction (Mm-1)

--- Best 20% Days --- --- --- 0.7 0.5 0.8 0.6 0.5 0.4 --- 0.0 0.1 0.8 0.6 -0.2 -25%

--- Worst 20% Days --- --- --- 1.8 2.5 3.7 2.3 2.0 1.4 --- -0.2 0.2 2.4 2.4 0.0 0%

--- All Days --- --- --- 1.2 1.4 1.7 1.3 1.0 0.9 --- -0.1 0.1 1.4 1.3 -0.1 -7% Soil Extinction (Mm-1)

--- Best 20% Days --- --- --- 0.2 0.2 0.3 0.4 0.2 0.3 --- 0.0 0.1 0.3 0.3 0.0 0%

--- Worst 20% Days --- --- --- 1.8 1.2 1.5 2.4 2.3 1.8 --- 0.1 0.2 1.7 1.8 0.1 6%

--- All Days --- --- --- 0.9 0.6 0.8 1.2 1.0 1.0 --- 0.1 0.1 0.9 0.9 0.0 0% Coarse Mass Extinction (Mm-1)

--- Best 20% Days --- --- --- 0.7 0.8 1.1 1.5 0.9 0.9 --- 0.0 0.2 1.1 1.0 -0.1 -9%

--- Worst 20% Days --- --- --- 5.3 4.2 5.3 6.2 7.2 5.1 --- 0.3 0.4 5.6 5.6 0.0 0%

--- All Days --- --- --- 3.0 2.5 2.8 3.5 3.3 2.7 --- 0.1 0.5 3.1 3.0 -0.1 -3% Sea Salt Extinction (Mm-1)

--- Best 20% Days --- --- --- 0.0 0.0 0.0 0.0 0.1 0.0 --- 0.0 0.1 0.0 0.0 0.0 0%

--- Worst 20% Days --- --- --- 0.1 0.1 0.1 0.1 0.3 0.1 --- 0.0 0.4 0.1 0.1 0.0 0%

--- All Days --- --- --- 0.0 0.0 0.0 0.1 0.1 0.0 --- 0.0 0.2 0.0 0.1 0.1 0% *Values highlighted in blue (red) indicate statistically significant decreasing (increasing) annual trend. Significance is measured at the 85% confidence level (p-value≤0.15). **Values highlighted in blue indicate a decrease in the 5-year average, values highlighted in red indicate an increase. "---" Indicates a missing year that did not meet RHR data completeness criteria.

## 20% Most Impaired Visibility Days

20% Least Impaired Visibility Days

4.3
0 2 4 6 8 10 Deciveiw (dv) 

### Deciview Period Average 12.3

0 2 4 6 8 10 12 14 Deciveiw (dv) 

### Deciview Period Average

0 2 4 6 8 10 12 14

2000* 2001* 2002* 2003* 2004 2005 2006 2007 2008 2009 2010* Extinction (Mm-1) 

### Ammonium Sulfate Ammonium Nitrate Particulate Organic Mass Elemental Carbon Soil Coarse Mass Sea Salt Expr1

0 2 4 6 8 10

2000* 2001* 2002* 2003* 2004 2005 2006 2007 2008 2009 2010* Extinction (Mm-1) 

### Ammonium Sulfate Ammonium Nitrate Particulate Organic Mass Elemental Carbon Soil Coarse Mass Sea Salt Expr1 

## Annual and 5-Year Period Averages

Figure M.4-1 Zion NP, UT (ZICA1 Site)

Annual and 5-Year Period Averages

Figure M.4-2 Zion NP, UT (ZICA1 Site)

*Missing years did not meet RHR data completeness criteria. *Missing years did not meet RHR data completeness criteria.Zion NP, UT (ZICA1 Site)Figure M.4-320% Most Impaired Visibility Days27%14%6%26%7%5%15%0%12.5 dvAmmonium SulfateRayleighCoarse MassSoilElemental CarbonParticulate Organic MassAmmonium Nitrate12.3 dv (10.8 - 13.3 dv )2000-2004 Baseline Average Estimate* 2005-2009 Progress Period Average28%15%5%24%7%5%16%0%051015202530354045502000* 2001* 2002* 2003* 2004 2005 2006 2007 2008 2009

Extinction (Mm -1 )Sea Salt*Baseline years did not meet RHR data completeness criteria. The5-year baseline average represents an approximation based on methods described intext.Zion NP, UT (ZICA1 Site)Figure M.4-420% Least Impaired Visibility Days59%11%5%11%5%2%7%0%5 dvAmmonium SulfateRayleighCoarse MassSoilElemental CarbonParticulate Organic MassAmmonium Nitrate4.3 dv (3.9 - 4.9 dv )2000-2004 Baseline Average Estimate* 2005-2009 Progress Period Average64%11%4%8%4%2%7%0%051015202530354045502000* 2001* 2002* 2003* 2004 2005 2006 2007 2008 2009

Extinction (Mm -1 )Sea Salt*Baseline years did not meet RHR data completeness criteria. The5-year baseline average represents an approximation based on methods described intext.

## 2000-2004 Monthly Average Aerosol Extinction, All Monitored Days Figure M.4-5 Zion NP, UT (ZICA1 Site)

0 2 4 6 8 101 - '04 2 - '04 3 - '04 4 - '04 5 - '04 6 - '04 7 - '04 8 - '04 9 - '04 10 - '04 11 - '04 12 - '04 Extinction (Mm -1 )



### Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 0 2 4 6 8 101 - '00 2 - '00 3 - '00 4 - '00 5 - '00 6 - '00 7 - '00 8 - '00 9 - '00 10 - '00 11 - '00 12 - '00 Extinction (Mm -1 )



### 0 2 4 6 8 101 - '01 2 - '01 3 - '01 4 - '01 5 - '01 6 - '01 7 - '01 8 - '01 9 - '01 10 - '01 11 - '01 12 - '01 Extinction (Mm -1 )



### 0 2 4 6 8 101 - '02 2 - '02 3 - '02 4 - '02 5 - '02 6 - '02 7 - '02 8 - '02 9 - '02 10 - '02 11 - '02 12 - '02 Extinction (Mm -1 )



### 0 2 4 6 8 101 - '03 2 - '03 3 - '03 4 - '03 5 - '03 6 - '03 7 - '03 8 - '03 9 - '03 10 - '03 11 - '03 12 - '03 Extinction (Mm -1 )

*Note that monthly averages for the years 2000, 2001, 2002 and 2003 are shown here, but these years did not meet RHR data completeness criteria.

## 2005-2009 Monthly Average Aerosol Extinction, All Monitored Days Figure M.4-6 Zion NP, UT (ZICA1 Site)

0 5 10 15 20 251 - '09 2 - '09 3 - '09 4 - '09 5 - '09 6 - '09 7 - '09 8 - '09 9 - '09 10 - '09 11 - '09 12 - '09 Extinction (Mm -1 )



### Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 0 5 10 15 20 251 - '05 2 - '05 3 - '05 4 - '05 5 - '05 6 - '05 7 - '05 8 - '05 9 - '05 10 - '05 11 - '05 12 - '05 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '06 2 - '06 3 - '06 4 - '06 5 - '06 6 - '06 7 - '06 8 - '06 9 - '06 10 - '06 11 - '06 12 - '06 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '07 2 - '07 3 - '07 4 - '07 5 - '07 6 - '07 7 - '07 8 - '07 9 - '07 10 - '07 11 - '07 12 - '07 Extinction (Mm -1 )



### 0 5 10 15 20 251 - '08 2 - '08 3 - '08 4 - '08 5 - '08 6 - '08 7 - '08 8 - '08 9 - '08 10 - '08 11 - '08 12 - '08 Extinction (Mm -1 )

## 2000-2004 Progress Period Extinction, All Sampled Days Figure M.4-7 Zion NP, UT (ZICA1 Site)

x 

### 0 20 40 60 80 100 Jan-01 Feb-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01 Extinction (Mm -1 ) 

### 0 20 40 60 80 100 Jan-00 Feb-00 Mar-00 Apr-00 May-00 Jun-00 Jul-00 Aug-00 Sep-00 Oct-00 Nov-00 Dec-00 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-02 Feb-02 Mar-02 Apr-02 May-02 Jun-02 Jul-02 Aug-02 Sep-02 Oct-02 Nov-02 Dec-02 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-04 Feb-04 Mar-04 Apr-04 May-04 Jun-04 Jul-04 Aug-04 Sep-04 Oct-04 Nov-04 Dec-04 Extinction (Mm -1 )



### Rayleigh Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 

## Indicates 20% Worst Day 0 20 40 60 80 100 Jan-03 Feb-03 Mar-03 Apr-03 May-03 Jun-03 Jul-03 Aug-03 Sep-03 Oct-03 Nov-03 Dec-03 Extinction (Mm -1 )

*Note that daily averages for the years 2000, 2001, 2002 and 2003 are shown here, but these years did not meet RHR data completeness criteria.

## 2005-2009 Progress Period Extinction, All Sampled Days Figure M.4-8 Zion NP, UT (ZICA1 Site)

x 

### 0 20 40 60 80 100 Jan-06 Feb-06 Mar-06 Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Extinction (Mm -1 ) 

### 0 20 40 60 80 100 Jan-05 Feb-05 Mar-05 Apr-05 May-05 Jun-05 Jul-05 Aug-05 Sep-05 Oct-05 Nov-05 Dec-05 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-07 Feb-07 Mar-07 Apr-07 May-07 Jun-07 Jul-07 Aug-07 Sep-07 Oct-07 Nov-07 Dec-07 Extinction (Mm -1 )



### 0 20 40 60 80 100 Jan-09 Feb-09 Mar-09 Apr-09 May-09 Jun-09 Jul-09 Aug-09 Sep-09 Oct-09 Nov-09 Dec-09 Extinction (Mm -1 )



### Rayleigh Ammonium Sulfate Ammonium Nitrate POM EC Soil CM Sea Salt 

## Indicates 20% Worst Day 0 20 40 60 80 100 Jan-08 Feb-08 Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 Oct-08 Nov-08 Dec-08 Extinction (Mm -1 )