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  4. St. Clair County

St. Clair County

Illinois

2026-06-01 08:00
AQI (India)
Good
Pollutants|Pollens
PM10
μg/m³
27.7
O3
μg/m³
21.4
PM2.5
μg/m³
10.4
Weather
  • ℃
  • ℉
20℃
97%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Belleville
AQI 32
Canteen Township
AQI 20
Caseyville Township
AQI 20
Centreville Township
AQI 32
East St. Louis Township
AQI 32
Fayetteville Township
AQI 18
Freeburg Township
AQI 18
Lebanon Township
AQI 46
Lenzburg Township
AQI 18
Marissa Township
AQI 18
Mascoutah Township
AQI 36
Millstadt Township
AQI 32
New Athens Township
AQI 18
O'Fallon Township
AQI 20
Shiloh Valley Township
AQI 17
Smithton Township
AQI 17
St. Clair Township
AQI 32
Stites Township
AQI 32
Sugar Loaf Township
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

Smithton
AQI 17
New Athens
AQI 18
Fayetteville
AQI 18
Hecker
AQI 18
Belleville
AQI 32
Mascoutah
AQI 36
Lenzburg
AQI 18
Swansea
AQI 32
Millstadt
AQI 32
Saint Libory
AQI 18
Waterloo
AQI 21