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  2. United States
  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2025-12-16 02:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
13.9
NO2
μg/m³
58.7
PM10
μg/m³
15.9
SO2
μg/m³
8
Weather
  • ℃
  • ℉
1℃
56%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • PM10
  • SO2
Places included
Airport Township
AQI 71
Bonhomme Township
AQI 65
Chesterfield Township
AQI 65
Clayton Township
AQI 73
Concord Township
AQI 29
Creve Coeur Township
AQI 71
Ferguson Township
AQI 71
Gravois Township
AQI 21
Hadley Township
AQI 19
Jefferson Township
AQI 63
Lemay Township
AQI 21
Lewis and Clark Township
AQI 71
Maryland Heights Township
AQI 71
Meramec Township
AQI 53
Midland Township
AQI 71
Missouri River Township
AQI 71
Normandy Township
AQI 59
Northwest Township
AQI 71
Norwood Township
AQI 59
Oakville Township
AQI 53
Queeny Township
AQI 59
Spanish Lake Township
AQI 45
St. Ferdinand Township
AQI 42
Tesson Ferry Township
AQI 53
University Township
AQI 55
Wildhorse Township
AQI 71
Data Sources
http://www.airnow.gov/

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Kirkwood
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Frontenac
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Glendale
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Country Life Acres
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Oakland
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Westwood
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