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  4. St. Clair County

St. Clair County

Illinois

2026-06-11 19:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
33.2
O3
μg/m³
62.1
PM2.5
μg/m³
6.5
Weather
  • ℃
  • ℉
33℃
64%
8 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Belleville
AQI 37
Canteen Township
AQI 31
Caseyville Township
AQI 31
Centreville Township
AQI 37
East St. Louis Township
AQI 37
Fayetteville Township
AQI 10
Freeburg Township
AQI 10
Lebanon Township
AQI 30
Lenzburg Township
AQI 10
Marissa Township
AQI 10
Mascoutah Township
AQI 30
Millstadt Township
AQI 37
New Athens Township
AQI 10
O'Fallon Township
AQI 31
Shiloh Valley Township
AQI 13
Smithton Township
AQI 13
St. Clair Township
AQI 37
Stites Township
AQI 37
Sugar Loaf Township
AQI 17
Data Sources
http://www.airnow.gov/

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Cities Nearby

Smithton
AQI 13
New Athens
AQI 10
Fayetteville
AQI 10
Hecker
AQI 10
Belleville
AQI 37
Mascoutah
AQI 29
Lenzburg
AQI 10
Swansea
AQI 37
Millstadt
AQI 37
Saint Libory
AQI 10
Waterloo
AQI 15