Mississippi

Bolivar County

HIGH OZONE DAYS
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Ozone Grade:
A
Weighted Average:
0.0
Orange Ozone Days:
0
Red Ozone Days:
0
Purple Ozone Days:
0

PARTICLE POLLUTION - 24 Hour Learn More
Grade:
B
Weighted Average:
0.7
Orange Particle Days:
2
Red Particle Days:
0
Purple Particle Days:
0
PARTICLE POLLUTION - Annual
Grade: Pass
Design Value 12.2

GROUPS AT RISK Learn More
Pediatric Asthma:
982
Adult Asthma:
1,914
Chronic Bronchitis:
1,170
Emphysema:
485
Cardiovascular Disease:
9,017
Diabetes:
2,070
 
 
Total Population:
38,352
Population Under 18:
10,577
Population 65 & Over:
4,159


American Lung Association State of the Air: 2008 NOTES

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.