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
Dongnam-gu
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Dongnam-gu
Cheonan-si, Chungcheongnam-do
2026-09-21 08:00
AQI (US)
Unhealthy for Sensitive Groups
Pollutants
O3
μg/m³
156.4
PM2.5
μg/m³
14
PM10
μg/m³
22
SO2
μg/m³
10
CO
μg/m³
425
NO2
μg/m³
7.8
Weather
℃
℃
℉
29℃
46%
5 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
O3
PM2.5
PM10
SO2
CO
NO2
Places included
성황동
AQI 102
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 89
Asan-si
AQI 102
Pyeongtaek-si
AQI 111
Anseong
AQI 101
Jincheon-gun
AQI 105
Yeongi-gun
AQI 102
Yesan-gun
AQI 96
Cheongju-si
AQI 66
Jeungpyeong-gun
AQI 96
Osan-si
AQI 76
Gongju-si
AQI 83
Air Matters © 2026