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

St. Clair County

Illinois

2026-03-13 01:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
72.9
PM2.5
μg/m³
2.9
PM10
μg/m³
12.6
Weather
  • ℃
  • ℉
9℃
54%
28 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Belleville
AQI 18
Canteen Township
AQI 18
Caseyville Township
AQI 18
Centreville Township
AQI 18
East St. Louis Township
AQI 32
Fayetteville Township
AQI 16
Freeburg Township
AQI 16
Lebanon Township
AQI 40
Lenzburg Township
AQI 16
Marissa Township
AQI 16
Mascoutah Township
AQI 40
Millstadt Township
AQI 15
New Athens Township
AQI 16
O'Fallon Township
AQI 18
Shiloh Valley Township
AQI 18
Smithton Township
AQI 18
St. Clair Township
AQI 18
Stites Township
AQI 13
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 18
New Athens
AQI 16
Fayetteville
AQI 16
Hecker
AQI 16
Belleville
AQI 18
Mascoutah
AQI 40
Lenzburg
AQI 16
Swansea
AQI 18
Millstadt
AQI 15
Saint Libory
AQI 16
Waterloo
AQI 15