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St. Clair County

Illinois

2026-09-29 07:00
AQI (China)
Good
Pollutants|Pollens
PM10
μg/m³
54.7
PM2.5
μg/m³
15.2
O3
μg/m³
0
Weather
  • ℃
  • ℉
12℃
93%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • PM2.5
  • O3
Places included
Belleville
AQI 69
Canteen Township
AQI 31
Caseyville Township
AQI 31
Centreville Township
AQI 69
East St. Louis Township
AQI 69
Fayetteville Township
AQI 8
Freeburg Township
AQI 8
Lebanon Township
AQI 32
Lenzburg Township
AQI 8
Marissa Township
AQI 8
Mascoutah Township
AQI 33
Millstadt Township
AQI 69
New Athens Township
AQI 8
O'Fallon Township
AQI 31
Shiloh Valley Township
AQI 31
Smithton Township
AQI 31
St. Clair Township
AQI 69
Stites Township
AQI 69
Sugar Loaf Township
AQI 28
Data Sources
http://www.airnow.gov/

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Cities Nearby

Smithton
AQI 31
New Athens
AQI 8
Fayetteville
AQI 8
Hecker
AQI 8
Belleville
AQI 69
Mascoutah
AQI 37
Lenzburg
AQI 8
Swansea
AQI 69
Millstadt
AQI 69
Saint Libory
AQI 8
Waterloo
AQI 25