Iowa
Take Action
High Ozone Days Particle Pollution Groups At Risk  
County
Grade
Wgt.
Avg.
Orange
Days
Red
Days
Purple
Days
Black Hawk - - - - -
Bremer A 0.0 0 0 0
Cerro Gordo - - - - -
Clinton B 0.7 2 0 0
Emmet - - - - -
Harrison A 0.0 0 0 0
Johnson - - - - -
Linn A 0.0 0 0 0
Montgomery A 0.0 0 0 0
Muscatine - - - - -
Palo Alto A 0.0 0 0 0
Polk A 0.0 0 0 0
Pottawattamie - - - - -
Scott A 0.0 0 0 0
Story A 0.0 0 0 0
Van Buren A 0.0 0 0 0
Warren A 0.0 0 0 0
Woodbury - - - - -
Wright - - - - -
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.