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  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2026-10-13 03:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
90
PM2.5
μg/m³
5.9
PM10
μg/m³
26.1
NO2
μg/m³
14
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
26℃
57%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
Places included
Airport Township
AQI 30
Bonhomme Township
AQI 28
Chesterfield Township
AQI 25
Clayton Township
AQI 30
Concord Township
AQI 27
Creve Coeur Township
AQI 30
Ferguson Township
AQI 27
Gravois Township
AQI 30
Hadley Township
AQI 30
Jefferson Township
AQI 30
Lemay Township
AQI 28
Lewis and Clark Township
AQI 30
Maryland Heights Township
AQI 38
Meramec Township
AQI 40
Midland Township
AQI 30
Missouri River Township
AQI 30
Normandy Township
AQI 27
Northwest Township
AQI 30
Norwood Township
AQI 55
Oakville Township
AQI 23
Queeny Township
AQI 23
Spanish Lake Township
AQI 60
St. Ferdinand Township
AQI 66
Tesson Ferry Township
AQI 23
University Township
AQI 30
Wildhorse Township
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Huntleigh
AQI 30
Des Peres
AQI 30
Crystal Lake Park
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Warson Woods
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Rock Hill
AQI 30
Kirkwood
AQI 30
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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