Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
AIR QUALITY DATA CONTRIBUTORS
Station operated by
Ulsan Institute of Health and Environment
Government
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Anseong, Gyeonggi-do | 152 |
| 2 | Pyeongtaek, Gyeonggi-do | 152 |
| 3 | Yeoju, Gyeonggi-do | 139 |
| 4 | Cheonan, Chungcheongnam-do | 138 |
| 5 | Pohang, Gyeongsangbuk-do | 132 |
| 6 | Gyeongju, Gyeongsangbuk-do | 128 |
| 7 | Goyang, Gyeonggi-do | 127 |
| 8 | Gwangju, Gwangju | 126 |
| 9 | T'aebaek, Gangwon-do | 125 |
| 10 | Yeongdeok, Gyeongsangbuk-do | 125 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time Ulsan air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Daesong-dong | 160 |
| 2 | Jeonha-dong | 160 |
| 3 | Hwasan-ri | 139 |
| 4 | Yaksa-dong | 137 |
| 5 | Yeocheon-dong | 135 |
| 6 | Nongso-dong | 128 |
| 7 | Seongnam-dong | 124 |
| 8 | Hyomun-dong | 123 |
| 9 | Bugok-dong | 120 |
| 10 | Samsan-dong | 117 |
(local time)
SEE WORLD AQI RANKING
News
The latest air quality news and resources.
AQI US, Metric