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  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2026-10-20 02:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
40.7
NO2
μg/m³
64.7
O3
μg/m³
42.9
PM2.5
μg/m³
8
SO2
μg/m³
2.9
Weather
  • ℃
  • ℉
13℃
71%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • NO2
  • O3
  • PM2.5
  • SO2
Places included
Airport Township
AQI 61
Bonhomme Township
AQI 16
Chesterfield Township
AQI 16
Clayton Township
AQI 54
Concord Township
AQI 16
Creve Coeur Township
AQI 61
Ferguson Township
AQI 61
Gravois Township
AQI 33
Hadley Township
AQI 61
Jefferson Township
AQI 52
Lemay Township
AQI 16
Lewis and Clark Township
AQI 61
Maryland Heights Township
AQI 61
Meramec Township
AQI 16
Midland Township
AQI 61
Missouri River Township
AQI 33
Normandy Township
AQI 61
Northwest Township
AQI 61
Norwood Township
AQI 45
Oakville Township
AQI 16
Queeny Township
AQI 16
Spanish Lake Township
AQI 24
St. Ferdinand Township
AQI 24
Tesson Ferry Township
AQI 16
University Township
AQI 61
Wildhorse Township
AQI 16
Data Sources
http://www.airnow.gov/

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Cities Nearby

Huntleigh
AQI 16
Des Peres
AQI 16
Crystal Lake Park
AQI 16
Warson Woods
AQI 61
Rock Hill
AQI 61
Kirkwood
AQI 16
Frontenac
AQI 61
Glendale
AQI 16
Country Life Acres
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Oakland
AQI 16
Westwood
AQI 61