Toggle navigation
Places
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
North America
United States
Illinois
St. Clair County
Freeburg Township
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Freeburg Township
St. Clair County
2026-07-26 14:00
CAQI (Europe)
Very Low
Pollutants
PM2.5
μg/m³
10.1
Weather
℃
℃
℉
33℃
78%
11 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
PM2.5
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
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Fayetteville
AQI 17
Mascoutah
AQI 23
New Athens
AQI 17
Smithton
AQI 21
Belleville
AQI 23
Saint Libory
AQI 17
Lenzburg
AQI 17
Swansea
AQI 23
Hecker
AQI 17
O'Fallon
AQI 24
New Baden
AQI 22
Air Matters © 2026