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 | Broken clouds |
| Temperature | 68°F |
| Humidity | 67% |
| Wind | 5 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Pohang, Gyeongsangbuk-do | 86 |
| 2 | Ulsan, Ulsan | 82 |
| 3 | Yeoju, Gyeonggi-do | 82 |
| 4 | Daegu, Daegu | 80 |
| 5 | Icheon, Gyeonggi-do | 78 |
| 6 | Gyeongju, Gyeongsangbuk-do | 77 |
| 7 | Gumi, Gyeongsangbuk-do | 76 |
| 8 | Incheon, Incheon | 76 |
| 9 | Gimcheon, Gyeongsangbuk-do | 74 |
| 10 | Siheung, Gyeonggi-do | 72 |
(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 | Yaeum-dong | 157 |
| 2 | Beomseo-eup | 97 |
| 3 | Samsan-dong | 93 |
| 4 | Bukbu Ring Road | 91 |
| 5 | Samnam-eup | 86 |
| 6 | Hwasan-ri | 84 |
| 7 | Nongso-dong | 82 |
| 8 | Seongnam-dong | 80 |
| 9 | Sinjeong-ro | 80 |
| 10 | Mugeo-dong | 78 |
(local time)
SEE WORLD AQI RANKING
US AQI
78
live AQI index
Moderate
Overview
What is the current air quality in Ulsan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 78 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 25µg/m³ | |
| PM10 | 39µg/m³ | |
| O3 | 147.5µg/m³ | |
| NO2 | 27.9µg/m³ | |
| SO2 | 19.7µg/m³ | |
| CO | 629.8µg/m³ | |
!
PM2.5
x5
PM2.5 concentration in Ulsan is currently 5 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 |
|---|---|---|---|---|
| Thursday, Apr 25 | Moderate 66 AQI US |  | 66.2° 51.8° |  8.9 mp/h |
| Friday, Apr 26 | Moderate 80 AQI US | | 66.2° 59° | 13.4 mp/h |
| Saturday, Apr 27 | Unhealthy for sensitive groups 102 AQI US  | | 68° 57.2° | 6.7 mp/h |
| Today | Moderate 78 AQI US | | 68° 57.2° | 13.4 mp/h |
| Monday, Apr 29 | Good 48 AQI US  |  100% | 57.2° 53.6° | 20.1 mp/h |
| Tuesday, Apr 30 | Moderate 66 AQI US | 80% | 66.2° 53.6° | 20.1 mp/h |
| Wednesday, May 1 | Moderate 61 AQI US | 30% | 60.8° 55.4° | 20.1 mp/h |
| Thursday, May 2 | Moderate 57 AQI US | | 59° 53.6° | 8.9 mp/h |
| Friday, May 3 | Moderate 57 AQI US | | 64.4° 53.6° | 4.5 mp/h |
| Saturday, May 4 | Moderate 62 AQI US | | 64.4° 53.6° | 11.2 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