Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Ulsan
Air quality index (AQI) and PM2.5 air pollution in Ulsan
4K people follow this city
Ulsan Air Quality Map
Real-time Ulsan air pollution map
AIR QUALITY DATA CONTRIBUTORS
2 Contributors
See all
Weather
What is the current weather in Ulsan?
| Weather | Few clouds |
| Temperature | 51.8°F |
| Humidity | 70% |
| Wind | 9.8 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Taean, Chungcheongnam-do | 99 |
| 2 | Gwangju, Gwangju | 83 |
| 3 | Boryeong, Chungcheongnam-do | 82 |
| 4 | Yongin, Gyeonggi-do | 79 |
| 5 | Siheung, Gyeonggi-do | 78 |
| 6 | Suwon, Gyeonggi-do | 78 |
| 7 | Yesan, Chungcheongnam-do | 78 |
| 8 | Asan, Chungcheongnam-do | 76 |
| 9 | Bucheon, Gyeonggi-do | 76 |
| 10 | Anyang, Gyeonggi-do | 75 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Ulsan aqi ranking
Real-time Ulsan air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Nongso-dong | 76 |
| 2 | Samsan-dong | 59 |
| 3 | Deoksin-ri | 55 |
| 4 | Beomseo-eup | 53 |
| 5 | Seongnam-dong | 53 |
| 6 | Sinjeong-ro | 53 |
| 7 | Bukbu Ring Road | 50 |
| 8 | Daesong-dong | 50 |
| 9 | Hwasan-ri | 45 |
| 10 | Sangnam-ri | 45 |
(local time)
SEE WORLD AQI RANKING
US AQI
45
live AQI index
Good
Overview
What is the current air quality in Ulsan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 45 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11µg/m³ | |
| PM10 | 22µg/m³ | |
| O3 | 61.6µg/m³ | |
| NO2 | 15.4µg/m³ | |
| SO2 | 4.7µg/m³ | |
| CO | 366.4µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Ulsan is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Ulsan?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Ulsan air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 29 | Moderate 59 AQI US  |  | 57.2° 55.4° |  22.4 mp/h |
| Tuesday, Apr 30 | Moderate 54 AQI US | | 62.6° 55.4° | 15.7 mp/h |
| Wednesday, May 1 | Good 42 AQI US | | 57.2° 51.8° | 20.1 mp/h |
| Today | Good 45 AQI US | 100% | 57.2° 51.8° | 20.1 mp/h |
| Friday, May 3 | Moderate 56 AQI US |  | 60.8° 50° | 8.9 mp/h |
| Saturday, May 4 | Moderate 60 AQI US | | 64.4° 51.8° | 4.5 mp/h |
| Sunday, May 5 | Moderate 63 AQI US |  | 66.2° 53.6° | 8.9 mp/h |
| Monday, May 6 | Moderate 63 AQI US | 40% | 64.4° 60.8° | 8.9 mp/h |
| Tuesday, May 7 | Moderate 60 AQI US | 100% | 66.2° 59° | 17.9 mp/h |
| Wednesday, May 8 | Moderate 78 AQI US | 100% | 59° 55.4° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Ulsan air quality data attribution
2Contributors
- Ulsan Institute of Health and Environment
19 stations
- Korea Environment Corporation
19 stations
2 Government Contributors
Where is the cleanest air quality in Ulsan?
AQI US, Metric