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  4. St. Clair County

St. Clair County

Illinois

2026-01-26 15:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.2
PM10
μg/m³
15.3
Weather
  • ℃
  • ℉
-15℃
69%
17 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
Places included
Belleville
AQI 31
Canteen Township
AQI 31
Caseyville Township
AQI 31
Centreville Township
AQI 31
East St. Louis Township
AQI 33
Fayetteville Township
AQI 38
Freeburg Township
AQI 38
Lebanon Township
AQI 51
Lenzburg Township
AQI 38
Marissa Township
AQI 38
Mascoutah Township
AQI 51
Millstadt Township
AQI 43
New Athens Township
AQI 38
O'Fallon Township
AQI 31
Shiloh Valley Township
AQI 31
Smithton Township
AQI 31
St. Clair Township
AQI 31
Stites Township
AQI 78
Sugar Loaf Township
AQI 43
Data Sources
http://www.airnow.gov/

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Cities Nearby

Smithton
AQI 31
New Athens
AQI 38
Fayetteville
AQI 38
Hecker
AQI 38
Belleville
AQI 31
Mascoutah
AQI 51
Lenzburg
AQI 38
Swansea
AQI 31
Millstadt
AQI 43
Saint Libory
AQI 38
Waterloo
AQI 43