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
Indiana
Clark County
Charlestown Township
Charlestown
Charlestown State Park
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Charlestown State Park
Charlestown, Clark County
2026-02-04 19:00
AQI (US)
Insufficient Data
Pollutants
O3
μg/m³
66.4
Weather
℃
℃
℉
-3℃
72%
11 kph
1 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
O3
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
River Bluff
AQI 67
Charlestown
AQI 67
Prospect
AQI 67
Goshen
AQI 67
Glenview
AQI 67
Green Spring
AQI 63
Hills and Dales
AQI 63
Glenview Hills
AQI 63
Spring Valley
AQI 63
Brownsboro Farm
AQI 63
Glenview Manor
AQI 63
Air Matters © 2026