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
Altona
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Altona
Walnut Grove Township, Knox County
2026-06-12 18:00
CAQI (Europe)
Very Low
Pollutants
PM10
μg/m³
8.2
PM2.5
μg/m³
2.8
Weather
℃
℃
℉
27℃
54%
19 kph
9 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
PM10
PM2.5
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
Altona
AQI 9
Oneida
AQI 9
Bishop Hill
AQI 24
Victoria
AQI 5
Galva
AQI 10
Wataga
AQI 12
Woodhull
AQI 17
La Fayette
AQI 6
Henderson
AQI 16
Rio
AQI 18
Alpha
AQI 20
Air Matters © 2026