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

St. Louis County

Missouri

2026-10-10 07:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
86.8
PM2.5
μg/m³
6.4
PM10
μg/m³
36
NO2
μg/m³
24
SO2
μg/m³
2
Weather
  • ℃
  • ℉
18℃
58%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
Places included
Airport Township
AQI 38
Bonhomme Township
AQI 36
Chesterfield Township
AQI 42
Clayton Township
AQI 36
Concord Township
AQI 37
Creve Coeur Township
AQI 38
Ferguson Township
AQI 38
Gravois Township
AQI 32
Hadley Township
AQI 38
Jefferson Township
AQI 35
Lemay Township
AQI 36
Lewis and Clark Township
AQI 38
Maryland Heights Township
AQI 38
Meramec Township
AQI 48
Midland Township
AQI 38
Missouri River Township
AQI 32
Normandy Township
AQI 38
Northwest Township
AQI 38
Norwood Township
AQI 39
Oakville Township
AQI 48
Queeny Township
AQI 48
Spanish Lake Township
AQI 44
St. Ferdinand Township
AQI 47
Tesson Ferry Township
AQI 48
University Township
AQI 38
Wildhorse Township
AQI 48
Data Sources
http://www.airnow.gov/

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Cities Nearby

Huntleigh
AQI 30
Des Peres
AQI 30
Crystal Lake Park
AQI 30
Warson Woods
AQI 38
Rock Hill
AQI 38
Kirkwood
AQI 30
Frontenac
AQI 38
Glendale
AQI 30
Country Life Acres
AQI 30
Oakland
AQI 30
Westwood
AQI 38