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St. Clair County

Illinois

2026-05-01 10:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
66.4
PM10
μg/m³
17.9
PM2.5
μg/m³
4.8
Weather
  • ℃
  • ℉
8℃
78%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Belleville
AQI 20
Canteen Township
AQI 15
Caseyville Township
AQI 15
Centreville Township
AQI 20
East St. Louis Township
AQI 21
Fayetteville Township
AQI 8
Freeburg Township
AQI 8
Lebanon Township
AQI 24
Lenzburg Township
AQI 8
Marissa Township
AQI 8
Mascoutah Township
AQI 24
Millstadt Township
AQI 20
New Athens Township
AQI 8
O'Fallon Township
AQI 15
Shiloh Valley Township
AQI 7
Smithton Township
AQI 7
St. Clair Township
AQI 20
Stites Township
AQI 20
Sugar Loaf Township
AQI 14
Data Sources
http://www.airnow.gov/

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Cities Nearby

Smithton
AQI 7
New Athens
AQI 8
Fayetteville
AQI 8
Hecker
AQI 8
Belleville
AQI 20
Mascoutah
AQI 24
Lenzburg
AQI 8
Swansea
AQI 20
Millstadt
AQI 20
Saint Libory
AQI 8
Waterloo
AQI 10