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  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2026-10-13 05:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
95.4
PM2.5
μg/m³
2.8
PM10
μg/m³
14.2
NO2
μg/m³
10.3
SO2
μg/m³
4.3
Weather
  • ℃
  • ℉
25℃
56%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
Places included
Airport Township
AQI 17
Bonhomme Township
AQI 13
Chesterfield Township
AQI 16
Clayton Township
AQI 15
Concord Township
AQI 13
Creve Coeur Township
AQI 17
Ferguson Township
AQI 17
Gravois Township
AQI 10
Hadley Township
AQI 17
Jefferson Township
AQI 15
Lemay Township
AQI 13
Lewis and Clark Township
AQI 17
Maryland Heights Township
AQI 41
Meramec Township
AQI 42
Midland Township
AQI 17
Missouri River Township
AQI 10
Normandy Township
AQI 17
Northwest Township
AQI 17
Norwood Township
AQI 29
Oakville Township
AQI 19
Queeny Township
AQI 19
Spanish Lake Township
AQI 45
St. Ferdinand Township
AQI 49
Tesson Ferry Township
AQI 19
University Township
AQI 17
Wildhorse Township
AQI 19
Data Sources
http://www.airnow.gov/

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Cities Nearby

Huntleigh
AQI 10
Des Peres
AQI 10
Crystal Lake Park
AQI 10
Warson Woods
AQI 17
Rock Hill
AQI 17
Kirkwood
AQI 10
Frontenac
AQI 17
Glendale
AQI 10
Country Life Acres
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Oakland
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Westwood
AQI 17