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

42
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

42
PM2.5 (Particulate matter less than 2.5 microns)

Good

10.52 µg/m3
2
CO (Carbon Monoxide)

Good

270 µg/m3
9
NO2 (Nitrogen Dioxide)

Good

19.22 µg/m3
13
O3 (Ozone)

Good

63.43 µg/m3
16
PM10 (Particulate matter less than 10 microns)

Good

15.91 µg/m3
1
SO2 (Sulphur Dioxide)

Good

1.48 µg/m3
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