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
Gyeonggi-do
Osan-si
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Osan-si
Gyeonggi-do, South Korea
2026-08-21 02:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
18
PM10
μg/m³
35
NO2
μg/m³
43.7
O3
μg/m³
18.4
CO
μg/m³
425
SO2
μg/m³
5.4
Weather
℃
℃
℉
26℃
94%
6 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
PM2.5
PM10
NO2
O3
CO
SO2
Places included
Osan-dong
AQI 68
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
Osan-si
AQI 68
Suwon-si
AQI 79
Yongin-si
AQI 75
Pyeongtaek-si
AQI 76
Hwaseong-si
AQI 69
Uiwang-si
AQI 74
Anseong
AQI 54
Gunpo-si
AQI 75
Ansan-si
AQI 87
Anyang
AQI 76
Gwacheon-si
AQI 64
Air Matters © 2026