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  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2026-10-10 12:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.7
PM10
μg/m³
25.3
NO2
μg/m³
46.2
O3
μg/m³
40.7
SO2
μg/m³
4.9
Weather
  • ℃
  • ℉
16℃
70%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • O3
  • SO2
Places included
Airport Township
AQI 49
Bonhomme Township
AQI 43
Chesterfield Township
AQI 37
Clayton Township
AQI 49
Concord Township
AQI 42
Creve Coeur Township
AQI 49
Ferguson Township
AQI 46
Gravois Township
AQI 49
Hadley Township
AQI 49
Jefferson Township
AQI 49
Lemay Township
AQI 43
Lewis and Clark Township
AQI 49
Maryland Heights Township
AQI 49
Meramec Township
AQI 31
Midland Township
AQI 49
Missouri River Township
AQI 49
Normandy Township
AQI 47
Northwest Township
AQI 49
Norwood Township
AQI 44
Oakville Township
AQI 31
Queeny Township
AQI 31
Spanish Lake Township
AQI 39
St. Ferdinand Township
AQI 39
Tesson Ferry Township
AQI 31
University Township
AQI 49
Wildhorse Township
AQI 31
Data Sources
http://www.airnow.gov/

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Cities Nearby

Huntleigh
AQI 49
Des Peres
AQI 49
Crystal Lake Park
AQI 49
Warson Woods
AQI 49
Rock Hill
AQI 49
Kirkwood
AQI 49
Frontenac
AQI 49
Glendale
AQI 49
Country Life Acres
AQI 49
Oakland
AQI 49
Westwood
AQI 49