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  4. St. Clair County

St. Clair County

Illinois

2026-01-26 13:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.4
PM10
μg/m³
18.2
Weather
  • ℃
  • ℉
-17℃
73%
17 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
Places included
Belleville
AQI 29
Canteen Township
AQI 29
Caseyville Township
AQI 29
Centreville Township
AQI 29
East St. Louis Township
AQI 29
Fayetteville Township
AQI 33
Freeburg Township
AQI 33
Lebanon Township
AQI 48
Lenzburg Township
AQI 33
Marissa Township
AQI 33
Mascoutah Township
AQI 48
Millstadt Township
AQI 50
New Athens Township
AQI 33
O'Fallon Township
AQI 29
Shiloh Valley Township
AQI 29
Smithton Township
AQI 29
St. Clair Township
AQI 29
Stites Township
AQI 60
Sugar Loaf Township
AQI 50
Data Sources
http://www.airnow.gov/

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Cities Nearby

Smithton
AQI 29
New Athens
AQI 33
Fayetteville
AQI 33
Hecker
AQI 33
Belleville
AQI 29
Mascoutah
AQI 48
Lenzburg
AQI 33
Swansea
AQI 29
Millstadt
AQI 50
Saint Libory
AQI 33
Waterloo
AQI 50