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
Kentucky
Saint Charles
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Saint Charles
Hopkins County, Kentucky
2026-06-01 18:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
6.6
PM10
μg/m³
7.7
Weather
℃
℃
℉
24℃
79%
6 kph
8 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
PM2.5
PM10
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
Saint Charles
AQI 37
Nortonville
AQI 40
Earlington
AQI 44
Dawson Springs
AQI 31
White Plains
AQI 43
Madisonville
AQI 47
Crofton
AQI 36
Nebo
AQI 42
Hanson
AQI 49
Providence
AQI 37
Princeton
AQI 25
Air Matters © 2026