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  4. St. Clair County

St. Clair County

Illinois

2025-12-11 09:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.4
PM10
μg/m³
14.8
Weather
  • ℃
  • ℉
-2℃
79%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
Places included
Belleville
AQI 47
Canteen Township
AQI 47
Caseyville Township
AQI 47
Centreville Township
AQI 47
East St. Louis Township
AQI 47
Fayetteville Township
AQI 44
Freeburg Township
AQI 44
Lebanon Township
AQI 52
Lenzburg Township
AQI 44
Marissa Township
AQI 44
Mascoutah Township
AQI 52
Millstadt Township
AQI 20
New Athens Township
AQI 44
O'Fallon Township
AQI 47
Shiloh Valley Township
AQI 47
Smithton Township
AQI 47
St. Clair Township
AQI 47
Stites Township
AQI 28
Sugar Loaf Township
AQI 20
Data Sources
http://www.airnow.gov/

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Cities Nearby

Smithton
AQI 47
New Athens
AQI 44
Fayetteville
AQI 44
Hecker
AQI 44
Belleville
AQI 47
Mascoutah
AQI 52
Lenzburg
AQI 44
Swansea
AQI 47
Millstadt
AQI 20
Saint Libory
AQI 44
Waterloo
AQI 20