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.

PM2.5 (Particulate matter less than 2.5 microns)

All Pollutants

PM2.5 (Particulate matter less than 2.5 microns)

Unhealthy for Sensitive Groups

32.52 µg/m3

CO (Carbon Monoxide)

Good

340 µg/m3

NO2 (Nitrogen Dioxide)

Good

19.96 µg/m3

O3 (Ozone)

Good

28.92 µg/m3

PM10 (Particulate matter less than 10 microns)

Good

41.2 µg/m3

SO2 (Sulphur Dioxide)

Good

1.12 µg/m3