Today's Air Quality-Chicago, IL

Moderate

Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Primary Pollutant:

PM2.5 (Particulate matter less than 2.5 microns)

All Pollutants

PM2.5 (Particulate matter less than 2.5 microns)

Moderate

22.1 µg/m3

CO (Carbon Monoxide)

Good

470 µg/m3

NO2 (Nitrogen Dioxide)

Good

28.81 µg/m3

O3 (Ozone)

Good

41.86 µg/m3

PM10 (Particulate matter less than 10 microns)

Good

21.69 µg/m3

SO2 (Sulfur Dioxide)

Good

2.83 µg/m3

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