Toggle navigation
Places
AQI (India)
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 (India)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Cheonan-si
Chungcheongnam-do, South Korea
2026-05-12 00:00
AQI (India)
Satisfactory
Pollutants
O3
μg/m³
79
NO2
μg/m³
32.5
CO
μg/m³
543.8
SO2
μg/m³
12
PM10
μg/m³
9
PM2.5
μg/m³
3
Weather
℃
℃
℉
17℃
88%
9 kph
4 of 11
Historical Data
Hourly
Hourly
Daily
AQI (India)
AQI (India)
O3
NO2
CO
SO2
PM10
PM2.5
Places included
Dongnam-gu
AQI 93
Seobuk-gu
AQI 66
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 79
Asan-si
AQI 82
Pyeongtaek-si
AQI 87
Anseong
AQI 39
Yesan-gun
AQI 93
Jincheon-gun
AQI 51
Yeongi-gun
AQI 81
Osan-si
AQI 53
Cheongju-si
AQI 43
Gongju-si
AQI 71
Jeungpyeong-gun
AQI 38
Air Matters © 2026