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

St. Louis County

Missouri

2026-10-15 13:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.2
PM10
μg/m³
18.9
NO2
μg/m³
32
O3
μg/m³
9.6
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
21℃
92%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • O3
  • SO2
Places included
Airport Township
AQI 51
Bonhomme Township
AQI 43
Chesterfield Township
AQI 34
Clayton Township
AQI 51
Concord Township
AQI 42
Creve Coeur Township
AQI 51
Ferguson Township
AQI 56
Gravois Township
AQI 51
Hadley Township
AQI 51
Jefferson Township
AQI 51
Lemay Township
AQI 43
Lewis and Clark Township
AQI 51
Maryland Heights Township
AQI 51
Meramec Township
AQI 25
Midland Township
AQI 51
Missouri River Township
AQI 51
Normandy Township
AQI 54
Northwest Township
AQI 51
Norwood Township
AQI 51
Oakville Township
AQI 25
Queeny Township
AQI 25
Spanish Lake Township
AQI 49
St. Ferdinand Township
AQI 51
Tesson Ferry Township
AQI 25
University Township
AQI 51
Wildhorse Township
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

Huntleigh
AQI 51
Des Peres
AQI 51
Crystal Lake Park
AQI 51
Warson Woods
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Rock Hill
AQI 51
Kirkwood
AQI 51
Frontenac
AQI 51
Glendale
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Country Life Acres
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Oakland
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Westwood
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