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
Iowa
Cass
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Cass
Cass County
2026-01-22 23:00
CAQI (Europe)
Low
Pollutants
O3
μg/m³
62.2
PM10
μg/m³
18.6
PM2.5
μg/m³
3.3
CO
μg/m³
266.6
SO2
μg/m³
0.2
Weather
℃
℃
℉
-7℃
38%
30 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
O3
PM10
PM2.5
CO
SO2
Places included
Lewis
AQI 26
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
Lewis
AQI 26
Griswold
AQI 26
Atlantic
AQI 26
Elliott
AQI 10
Marne
AQI 26
Grant
AQI 10
Cumberland
AQI 17
Wiota
AQI 17
Walnut
AQI 26
Hancock
AQI 26
Oakland
AQI 26
Air Matters © 2026