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
Siheung-si
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Siheung-si
Gyeonggi-do, South Korea
2026-05-02 14:00
AQI (US)
Unhealthy for Sensitive Groups
Pollutants
PM2.5
μg/m³
45.3
O3
μg/m³
145.4
PM10
μg/m³
56.7
NO2
μg/m³
19.6
SO2
μg/m³
10.4
CO
μg/m³
550
Weather
℃
℃
℉
14℃
100%
2 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
PM2.5
O3
PM10
NO2
SO2
CO
Places included
Daeya-dong
AQI 124
Jeongwang 1(il)-dong
AQI 139
Jeongwangbon-dong
AQI 112
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
Siheung-si
AQI 125
Ansan-si
AQI 112
Gunpo-si
AQI 112
Incheon
AQI 104
Gwangmyeong-si
AQI 114
Anyang
AQI 115
Bucheon-si
AQI 124
Uiwang-si
AQI 91
Gwacheon-si
AQI 88
Hwaseong-si
AQI 114
Suwon-si
AQI 107
Air Matters © 2026