| Ozone Grade: |
F |
| Weighted Average: |
34.0 |
| Orange Ozone Days: |
96 |
| Red Ozone Days: |
4 |
| Purple Ozone Days: |
0 |
| Grade: |
F |
| Weighted Average: |
40.5 |
| Orange Particle Days: |
99 |
| Red Particle Days: |
15 |
| Purple Particle Days: |
0 |
| PARTICLE POLLUTION - Annual |
|
| Grade: |
Fail |
| Design Value |
17.2 |
| Pediatric Asthma: |
24,972 |
| Adult Asthma: |
46,386 |
| Chronic Bronchitis: |
25,537 |
| Emphysema: |
10,107 |
| Cardiovascular Disease: |
191,302 |
| Diabetes: |
43,908 |
| |
|
| Total Population: |
891,756 |
| Population Under 18: |
269,100 |
| Population 65 & Over: |
85,720 | | | | |
1. The Weighted Average was derived by adding the three years of individual level data (2004-2006), multiplying the sums of each level by the assigned standard weights ( i.e. 1=orange, 1.5=red, 2.0=purple and 2.5=maroon) and calculating the average.
a. Asterisk (*) indicates incomplete monitoring data for all three years. Therefore, those counties are excluded from the grade analysis or received an Incomplete.
b. A dash (-) indicates that data on that particular pollutant is not collected in that county.
c. Grades are as follows: A=0.0, B=0.3-0.9, C=1.0-2.0, D=2.1-3.2, F=3.3+.
2. The Design Value is the calculated concentration of a pollutant based on the form of the National Ambient Air Quality Standard, and is used by EPA to determine whether the air quality in a county meets the standard. The source for the Design Values is EPA, communication from the Office of Air Quality Planning & Standards, Mark Schmidt, October 31, 2007.
More about Methodology.
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State of the Air: 2008 
