Air Quality in Ulsan, South Korea

Overcast
18.2°C · 91.5% humidity
18.2°
Feels 18.2°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
26 stations

Nearby Monitoring Stations

AQI Forecast
54 7pm
54
54
52 10pm
66
66
66 1am
83
84
146 4am
84
83
83 7am
66
54
54 10am
54
54
54 1pm
54
54
54 4pm
54
54
AD 728×90

Air Quality Index Trend

47h · 23 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.

91.5%
Humidity
5.1 km/h
Wind E
1008.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.75 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Ulsan?

Temperature & Precipitation

PM2.5 Trend

47h · 23 stations
PM2.512.75 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (26 stations within 25 km)
12.75
Median
8.63
Average
5.91
Low
18.8
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -1.9

What is the 7-day forecast for Ulsan?

06-09
25.5° 17.0°
06-10
19.4° 14.9°
0.88 mm
06-11
27.5° 16.9°
0.13 mm
06-12
30.9° 18.0°
06-13
33.5° 16.1°
06-14
23.4° 15.5°
9.13 mm
06-15
29.9° 15.4°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Ulsan?

46
Ulsan (울산)
0.5 km PM2.5: 11.0 µg/m³
57
Ulsan (울산)
0.5 km PM2.5: 15.0 µg/m³
91
Yaeum-dong, Nam-gu, Ulsan, South Korea (야음동 울산)
1.3 km PM2.5: 31.1 µg/m³
45
Yaeum-dong, Nam-gu, Ulsan, South Korea (야음동 울산)
1.3 km PM2.5: 10.8 µg/m³
93
Yaeum-dong, Nam-gu, Ulsan, South Korea (야음동 울산)
1.3 km PM2.5: 32.1 µg/m³
29
Yaeum-dong, Nam-gu, Ulsan, South Korea (야음동 울산)
1.3 km PM2.5: 7.0 µg/m³
13
Sinjeong2-dong, Ulsan, South Korea (신정로 울산)
1.5 km PM2.5: 3.1 µg/m³
45
Samsan-dong, Nam-gu, Ulsan, South Korea (삼산동 울산)
1.6 km PM2.5: 10.8 µg/m³
104
Samsan-dong, Nam-gu, Ulsan, South Korea (삼산동 울산)
1.6 km PM2.5: 36.7 µg/m³
76
Samsan-dong, Nam-gu, Ulsan, South Korea (삼산동 울산)
1.6 km PM2.5: 24.0 µg/m³

What cities are near Ulsan?

33 Ungsang 42 Yangsan 32 Gijang 30 Gyeongju 57 Miryang 41 Kimhae 48 Yeonil 68 Pohang 40 Busan 68 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 2026-06-09T13:40 UTC.