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
Seosan-si
AQI (India)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Seosan-si
Chungcheongnam-do, South Korea
2026-05-05 22:00
AQI (India)
Moderately polluted
Pollutants
O3
μg/m³
106.6
CO
μg/m³
415.6
NO2
μg/m³
15.6
SO2
μg/m³
12.7
PM10
μg/m³
15.2
PM2.5
μg/m³
5.7
Weather
℃
℃
℉
12℃
69%
14 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (India)
AQI (India)
O3
CO
NO2
SO2
PM10
PM2.5
Places included
Buseok-myeon
AQI 17
Daesan-eup
AQI 120
Dongmun 2(i)-dong
AQI 101
Gobuk-myeon
AQI 17
Haemi-myeon
AQI 16
Jigok-myeon
AQI 14
Jukseong-dong
AQI 16
Seongnam-dong
AQI 16
Seongyeon-myeon
AQI 16
Yecheon-dong
AQI 16
동문동
AQI 16
오남동
AQI 16
운산면
AQI 16
읍내동
AQI 16
팔봉면
AQI 17
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
Seosan-si
AQI 110
Taean-gun
AQI 92
Dangjin-si
AQI 83
Hongseong-gun
AQI 41
Yesan-gun
AQI 77
Cheongyang-gun
AQI 41
Asan-si
AQI 45
Boryeong-si
AQI 135
Hwaseong-si
AQI 53
Cheonan-si
AQI 87
Pyeongtaek-si
AQI 58
Air Matters © 2026