Toggle navigation
Places
AQI (US)
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
Humboldt
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Humboldt
Humboldt Township, Coles County
2026-06-20 21:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
5.8
O3
μg/m³
54
PM10
μg/m³
11.9
CO
μg/m³
59.4
Weather
℃
℃
℉
26℃
54%
15 kph
3 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
PM2.5
O3
PM10
CO
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
Humboldt
AQI 33
Arcola
AQI 36
Charleston
AQI 52
Arthur
AQI 40
Hindsboro
AQI 27
Allenville
AQI 31
Lerna
AQI 51
Tuscola
AQI 17
Gays
AQI 38
Garrett
AQI 17
Sullivan
AQI 28
Air Matters © 2026