Today's Air Quality-Chicago, IL

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

33.58 µg/m3

CO (Carbon Monoxide)

Good

190 µg/m3

NO2 (Nitrogen Dioxide)

Good

11.29 µg/m3

O3 (Ozone)

Good

83.44 µg/m3

PM10 (Particulate matter less than 10 microns)

Good

37.66 µg/m3

SO2 (Sulfur Dioxide)

Good

2.17 µg/m3