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
Missouri
St. Charles County
Rivers Township
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Rivers Township
St. Charles County
2026-03-06 21:00
CAQI (Europe)
Low
Pollutants
|
Pollens
O3
μg/m³
66.4
PM10
μg/m³
20
PM2.5
μg/m³
5.6
NO2
μg/m³
6
Pollen
5.6
Weather
℃
℃
℉
24℃
59%
22 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
Pollen
O3
PM10
PM2.5
NO2
Places included
Portage Des Sioux
AQI 10
West Alton
AQI 28
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
Portage Des Sioux
AQI 10
Grafton
AQI 7
Elsah
AQI 7
Saint Charles
AQI 19
Bridgeton
AQI 19
Hazelwood
AQI 19
Old Jamestown
AQI 20
Florissant
AQI 19
Champ
AQI 19
Brussels
AQI 7
Calverton Park
AQI 19
Air Matters © 2026