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
Asia
South Korea
Chungcheongnam-do
Cheonan-si
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Cheonan-si
Chungcheongnam-do, South Korea
2026-08-24 15:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
14.8
PM10
μg/m³
21.2
O3
μg/m³
23.2
SO2
μg/m³
10.8
NO2
μg/m³
11
CO
μg/m³
354.2
Weather
℃
℃
℉
26℃
95%
2 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
PM2.5
PM10
O3
SO2
NO2
CO
Places included
Dongnam-gu
AQI 64
Seobuk-gu
AQI 59
Data Sources
http://www.airkorea.or.kr/
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
Cheonan-si
AQI 62
Asan-si
AQI 55
Pyeongtaek-si
AQI 68
Anseong
AQI 58
Yesan-gun
AQI 73
Jincheon-gun
AQI 58
Yeongi-gun
AQI 60
Osan-si
AQI 64
Cheongju-si
AQI 62
Gongju-si
AQI 59
Jeungpyeong-gun
AQI 68
Air Matters © 2026