Air Quality in Seoul, South Korea
Windy
25.9°C · 64.6% humidity
25.9°
Feels 25.9°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
97 stations
Nearby Monitoring Stations
AQI Forecast
84
3am
84
84
53
6am
17
18
20
9am
9
9
21
12pm
25
28
29
3pm
31
52
52
6pm
53
53
65
9pm
54
54
54
12am
54
54
Air Quality Index Trend
48h · 30 stnSeoul's air quality is affected by domestic vehicle emissions, industrial activity, and transboundary fine dust from China. Spring dust events and winter heating season create the worst air quality conditions.
64.6%
Humidity
59.8 km/h
Wind ENE
998.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
13.06 µg/m³
PM10▲
73.05 µg/m³
050100150200300500
What is the weather forecast for Seoul?
Temperature & Precipitation
PM2.5 Trend
48h · 30 stationsPM2.513.06 µg/m³
✓ WHO
Moderate
PM1073.05 µg/m³
Moderate
UV INDEX0.7
Low
Station readings (97 stations within 25 km)
13.06
Median
10.31
Average
3.8
Low
22.1
High
PM2.5 µg/m³ · Model: 36.45 · Bias: +23.4
What is the 7-day forecast for Seoul?
07-21
34.8° 24.1°
3.44 mm
07-22
29.8° 24.2°
4.44 mm
07-23
30.6° 22.7°
0.25 mm
07-24
31.3° 24.3°
1.69 mm
07-25
34.0° 27.3°
0.25 mm
07-26
36.8° 25.2°
1.31 mm
07-27
33.6° 26.9°
4.44 mm
Both models agree
Avg diff: 3.0°C
Where are air quality stations near Seoul?
44
Seoul (서울)
21
Seoul (서울)
25
Seoul (서울)
44
Seoul (서울)
55
Seoul (서울)
42
Seoul (서울)
59
Seoul (서울)
22
Seoul (서울)
28
Jung-gu, Seoul, South Korea (중구 서울)
51
Cheonggyecheon, Seoul, South Korea (청계천로 서울)
What cities are near Seoul?
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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 2026-07-21T21:49 UTC.