Indiana
Take Action
High Ozone Days Particle Pollution Groups At Risk  
County
Grade
Wgt.
Avg.
Orange
Days
Red
Days
Purple
Days
Allen D 2.7 8 0 0
Boone C 1.0 3 0 0
Carroll A 0.0 0 0 0
Clark C 2.0 6 0 0
Delaware B 0.7 2 0 0
Dubois - - - - -
Elkhart C 1.7 5 0 0
Floyd C 1.0 3 0 0
Gibson * * * * *
Greene A 0.0 0 0 0
Hamilton C 1.7 5 0 0
Hancock B 0.3 1 0 0
Hendricks B 0.3 1 0 0
Henry - - - - -
Howard - - - - -
Huntington A 0.0 0 0 0
Jackson B 0.3 1 0 0
Johnson B 0.3 1 0 0
Knox - - - - -
La Porte C 1.3 4 0 0
Lake D 3.0 9 0 0
Madison B 0.3 1 0 0
Marion B 0.7 2 0 0
Morgan A 0.0 0 0 0
Perry C 1.3 4 0 0
Porter D 2.5 6 1 0
Posey B 0.3 1 0 0
Shelby A 0.0 0 0 0
Spencer - - - - -
St Joseph C 2.0 6 0 0
Tippecanoe - - - - -
Vanderburgh C 1.0 3 0 0
Vigo B 0.3 1 0 0
Warrick C 1.3 4 0 0
Donate
American Lung Association State of the Air: 2008 NOTES

(1) * indicates incomplete monitoring data for all three years. Therefore, those counties are excluded from the grade analysis.
(2) A dash (-) indicates that there is no monitor collecting data in the county.

More about Methodology.