Air Quality in Ulsan, South Korea

Drizzle
20.8°C · 84.8% humidity
20.8°
Feels 20.8°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
21 stations

Nearby Monitoring Stations

AQI Forecast
54 9pm
27
27
39 12am
36
33
31 3am
30
29
29 6am
35
28
28 9am
54
54
54 12pm
54
54
54 3pm
54
54
34 6pm
34
34
AD 728×90

Air Quality Index Trend

45h · 44 stn

Ulsan's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.

84.8%
Humidity
63.6 km/h
Wind NNE
1008.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
39
9.4 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ulsan?

Temperature & Precipitation

PM2.5 Trend

45h · 44 stations
PM2.59.4 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (21 stations within 25 km)
9.4
Median
9.31
Average
6.0
Low
25.9
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +0.6

What is the 7-day forecast for Ulsan?

09-05
25.3° 20.8°
0.75 mm
09-06
25.5° 18.1°
28.13 mm
09-07
30.0° 18.2°
09-08
27.3° 21.1°
1.88 mm
09-09
24.0° 20.7°
5.44 mm
09-10
25.9° 17.8°
3.62 mm
09-11
22.7° 19.4°
1.63 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Ulsan?

40
Yaeum-dong, Nam-gu, Ulsan, South Korea (야음동 울산)
1.3 km PM2.5: 9.6 µg/m³
33
Samsan-dong, Nam-gu, Ulsan, South Korea (삼산동 울산)
1.6 km PM2.5: 7.9 µg/m³
31
Samsan-dong, Nam-gu, Ulsan, South Korea (삼산동 울산)
1.6 km PM2.5: 7.4 µg/m³
36
Samsan-dong, Nam-gu, Ulsan, South Korea (삼산동 울산)
1.6 km PM2.5: 8.6 µg/m³
36
Seongnam-dong, Jung-gu, Ulsan, South Korea (성남동 울산)
2.1 km PM2.5: 8.6 µg/m³
34
Seongnam-dong, Jung-gu, Ulsan, South Korea (성남동 울산)
2.1 km PM2.5: 8.2 µg/m³
30
Bukbusunhwando-ro, Ulsan, South Korea (북부순환도로 울산)
4.0 km PM2.5: 7.2 µg/m³
34
Bukbusunhwando-ro, Ulsan, South Korea (북부순환도로 울산)
4.0 km PM2.5: 8.2 µg/m³
31
Bukbusunhwando-ro, Ulsan, South Korea (북부순환도로 울산)
4.0 km PM2.5: 7.4 µg/m³
30
Bukbusunhwando-ro, Ulsan, South Korea (북부순환도로 울산)
4.0 km PM2.5: 7.2 µg/m³

What cities are near Ulsan?

31 Ungsang 32 Yangsan 37 Gijang 25 Gyeongju 32 Miryang 33 Kimhae 38 Yeonil 41 Pohang 35 Busan 31 Eisen
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:05 UTC.