Today's Air Quality-Knoxville,IA,United States
Unhealthy for Sensitive Groups
Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Primary Pollutant:
PM2.5 (Particulate matter less than 2.5 microns)All Pollutants
PM2.5 (Particulate matter less than 2.5 microns)
Unhealthy for Sensitive Groups
31.5 µg/m3CO (Carbon Monoxide)
Good
340 µg/m3NO2 (Nitrogen Dioxide)
Good
9.96 µg/m3O3 (Ozone)
Good
60.21 µg/m3PM10 (Particulate matter less than 10 microns)
Good
40.18 µg/m3SO2 (Sulphur Dioxide)
Good
1.07 µg/m3