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
4.1K 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 | Clear sky |
| Temperature | 64.4°F |
| Humidity | 64% |
| Wind | 6.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Daegu, Daegu | 82 |
| 2 | Ulsan, Ulsan | 82 |
| 3 | Busan, Busan | 75 |
| 4 | Gwangju, Gwangju | 75 |
| 5 | Yeoju, Gyeonggi-do | 75 |
| 6 | Siheung, Gyeonggi-do | 74 |
| 7 | Gumi, Gyeongsangbuk-do | 73 |
| 8 | Anseong, Gyeonggi-do | 69 |
| 9 | Gyeongju, Gyeongsangbuk-do | 69 |
| 10 | Hwaseong, Gyeonggi-do | 69 |
(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 | Hwasan-ri | 156 |
| 2 | Hyomun-dong | 90 |
| 3 | Yeocheon-dong | 86 |
| 4 | Bukbu Ring Road | 84 |
| 5 | Deoksin-ri | 84 |
| 6 | Nongso-dong | 84 |
| 7 | Samnam-eup | 84 |
| 8 | Seongnam-dong | 84 |
| 9 | Yaeum-dong | 84 |
| 10 | Beomseo-eup | 82 |
(local time)
SEE WORLD AQI RANKING
US AQI
82
live AQI index
Moderate
Overview
What is the current air quality in Ulsan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 82 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 26µg/m³ | |
| PM10 | 38µg/m³ | |
| O3 | 63.4µg/m³ | |
| NO2 | 39.7µg/m³ | |
| SO2 | 7.1µg/m³ | |
| CO | 561.1µg/m³ | |
!
PM2.5
x5.2
PM2.5 concentration in Ulsan is currently 5.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Ulsan?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Ulsan air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, May 12 | Moderate 76 AQI US |  | 68° 59° |  20.1 mp/h |
| Monday, May 13 | Moderate 64 AQI US | | 64.4° 55.4° | 13.4 mp/h |
| Tuesday, May 14 | Moderate 71 AQI US | | 68° 55.4° | 11.2 mp/h |
| Tuesday, May 14 | Moderate 74 AQI US | | 68° 55.4° | 11.2 mp/h |
| Today | Moderate 82 AQI US | 80% | 69.8° 51.8° | 20.1 mp/h |
| Thursday, May 16 | Moderate 60 AQI US | 70% | 66.2° 46.4° | 22.4 mp/h |
| Friday, May 17 | Moderate 65 AQI US |  | 71.6° 51.8° | 15.7 mp/h |
| Saturday, May 18 | Moderate 63 AQI US | | 71.6° 57.2° | 11.2 mp/h |
| Sunday, May 19 | Moderate 72 AQI US | | 69.8° 62.6° | 13.4 mp/h |
| Monday, May 20 | Moderate 68 AQI US | 30% | 68° 60.8° | 6.7 mp/h |
| Tuesday, May 21 | Moderate 76 AQI US | | 66.2° 60.8° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
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