Air Quality Module Configuration Selection
Data has been provided by US Environmental Protection Agency (EPA).
NAAQS stands for National Ambient Air Quality Standard. Monitored data includes only the counties with air quality monitors. Modeled data includes data for all counties estimated based on the measures from the closest monitors.
Select a pollutant and a measure to explore further.
- Days With Maximum 8-Hour Average Ozone Concentration Over the NAAQS
- Days With Maximum 8-Hour Average Ozone Concentration Over the NAAQS (monitor and modeled)
- Person-Days With Maximum 8-Hour Average Ozone Concentration Over the NAAQS
- Person-Days With Maximum 8-Hour Average Ozone Concentration Over the NAAQS (monitor and modeled)
- Annual Percentage of Days with PM2.5 Levels Over the NAAQS
- Annual Percentage of Days with PM2.5 Levels Over the NAAQS (monitor and modeled)
- Person-days with PM2.5 Over the NAAQS
- Person-days with PM2.5 Over the NAAQS (monitor and modeled)
- Annual Average Concentration of PM2.5 (mcg/m3)
- Annual Average Concentration of PM2.5 (mcg/m3) (monitor and modeled)