1. North America
  2. United States
  3. Illinois
  4. St. Clair County

St. Clair County

Illinois

2026-06-15 11:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
3.9
PM10
μg/m³
17.4
O3
μg/m³
4.3
Weather
  • ℃
  • ℉
18℃
81%
2 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
Places included
Belleville
AQI 28
Canteen Township
AQI 28
Caseyville Township
AQI 28
Centreville Township
AQI 28
East St. Louis Township
AQI 28
Fayetteville Township
AQI 16
Freeburg Township
AQI 16
Lebanon Township
AQI 22
Lenzburg Township
AQI 16
Marissa Township
AQI 16
Mascoutah Township
AQI 21
Millstadt Township
AQI 20
New Athens Township
AQI 16
O'Fallon Township
AQI 28
Shiloh Valley Township
AQI 28
Smithton Township
AQI 28
St. Clair Township
AQI 28
Stites Township
AQI 20
Sugar Loaf Township
AQI 15
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Smithton
AQI 28
New Athens
AQI 16
Fayetteville
AQI 16
Hecker
AQI 16
Belleville
AQI 28
Mascoutah
AQI 22
Lenzburg
AQI 16
Swansea
AQI 28
Millstadt
AQI 20
Saint Libory
AQI 16
Waterloo
AQI 15