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Today's Air Quality-St. Louis,MO,United States

22
Good

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

Primary Pollutant:

PM2.5 (Particulate matter less than 2.5 microns)

All Pollutants

22
PM2.5 (Particulate matter less than 2.5 microns)

Good

4.98 µg/m3
2
CO (Carbon Monoxide)

Good

350 µg/m3
11
NO2 (Nitrogen Dioxide)

Good

24.88 µg/m3
13
O3 (Ozone)

Good

22.26 µg/m3
4
PM10 (Particulate matter less than 10 microns)

Good

3.6 µg/m3
1
SO2 (Sulphur Dioxide)

Good

1 µg/m3
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