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St. Clair County

Illinois

2026-04-25 11:00
CAQI (Europe)
Very Low
Pollutants|Pollens
PM10
μg/m³
20.9
O3
μg/m³
49.3
PM2.5
μg/m³
4.9
Weather
  • ℃
  • ℉
13℃
86%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Belleville
AQI 26
Canteen Township
AQI 12
Caseyville Township
AQI 12
Centreville Township
AQI 26
East St. Louis Township
AQI 26
Fayetteville Township
AQI 10
Freeburg Township
AQI 10
Lebanon Township
AQI 25
Lenzburg Township
AQI 10
Marissa Township
AQI 10
Mascoutah Township
AQI 25
Millstadt Township
AQI 26
New Athens Township
AQI 10
O'Fallon Township
AQI 12
Shiloh Valley Township
AQI 7
Smithton Township
AQI 7
St. Clair Township
AQI 26
Stites Township
AQI 26
Sugar Loaf Township
AQI 17
Data Sources
http://www.airnow.gov/

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Cities Nearby

Smithton
AQI 7
New Athens
AQI 10
Fayetteville
AQI 10
Hecker
AQI 10
Belleville
AQI 26
Mascoutah
AQI 24
Lenzburg
AQI 10
Swansea
AQI 26
Millstadt
AQI 26
Saint Libory
AQI 10
Waterloo
AQI 12