Today's Air Quality-St. Louis, MO

Good

Air quality is considered satisfactory, and air pollution poses little or no risk.

O3 (Ozone)

All Pollutants

O3 (Ozone)

Good

64.39 µg/m3

CO (Carbon Monoxide)

Good

270 µg/m3

NO2 (Nitrogen Dioxide)

Good

14.99 µg/m3

PM10 (Particulate matter less than 10 microns)

Good

7.89 µg/m3

PM2.5 (Particulate matter less than 2.5 microns)

Good

4.62 µg/m3

SO2 (Sulfur Dioxide)

Good

4.73 µg/m3