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  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2026-10-15 11:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
12
PM10
μg/m³
30.9
NO2
μg/m³
27.7
SO2
μg/m³
1.4
O3
μg/m³
0
Weather
  • ℃
  • ℉
20℃
92%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • SO2
  • O3
Places included
Airport Township
AQI 60
Bonhomme Township
AQI 56
Chesterfield Township
AQI 52
Clayton Township
AQI 60
Concord Township
AQI 55
Creve Coeur Township
AQI 60
Ferguson Township
AQI 58
Gravois Township
AQI 60
Hadley Township
AQI 60
Jefferson Township
AQI 60
Lemay Township
AQI 56
Lewis and Clark Township
AQI 60
Maryland Heights Township
AQI 60
Meramec Township
AQI 42
Midland Township
AQI 60
Missouri River Township
AQI 60
Normandy Township
AQI 59
Northwest Township
AQI 60
Norwood Township
AQI 58
Oakville Township
AQI 42
Queeny Township
AQI 42
Spanish Lake Township
AQI 57
St. Ferdinand Township
AQI 55
Tesson Ferry Township
AQI 42
University Township
AQI 60
Wildhorse Township
AQI 42
Data Sources
http://www.airnow.gov/

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Cities Nearby

Huntleigh
AQI 60
Des Peres
AQI 60
Crystal Lake Park
AQI 60
Warson Woods
AQI 60
Rock Hill
AQI 60
Kirkwood
AQI 60
Frontenac
AQI 60
Glendale
AQI 60
Country Life Acres
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Oakland
AQI 60
Westwood
AQI 60