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
AD 728×90

Air Quality Index Trend

48h · 30 stn

Seoul'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
53
13.06 µg/m³
PM10▲
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Seoul?

Temperature & Precipitation

PM2.5 Trend

48h · 30 stations
PM2.513.06 µg/m³ ✓ WHO
Moderate
PM1073.05 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
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)
0.1 km PM2.5: 10.6 µg/m³
21
Seoul (서울)
0.1 km PM2.5: 5.0 µg/m³
25
Seoul (서울)
0.1 km PM2.5: 6.0 µg/m³
44
Seoul (서울)
0.1 km PM2.5: 10.6 µg/m³
55
Seoul (서울)
0.1 km PM2.5: 14.0 µg/m³
42
Seoul (서울)
0.1 km PM2.5: 10.1 µg/m³
59
Seoul (서울)
0.1 km PM2.5: 15.9 µg/m³
22
Seoul (서울)
0.1 km PM2.5: 5.3 µg/m³
28
Jung-gu, Seoul, South Korea (중구 서울)
0.3 km PM2.5: 6.7 µg/m³
51
Cheonggyecheon, Seoul, South Korea (청계천로 서울)
1.8 km PM2.5: 12.1 µg/m³

What cities are near Seoul?

38 Gwangmyeong 26 Siheungdong 32 Guri-si 23 Goyang-si 40 Bucheon-si 40 Anyang-si 52 Seongnam-si 30 Hanam 32 Uijeongbu-si 45 Wabu
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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.