Air Quality in Seoul, South Korea

Windy
25.9°C · 64.6% humidity
25.9°
Feels 25.9°
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
107 stations

Nearby Monitoring Stations

AQI Forecast
84 4am
84
146
43 7am
37
33
19 10am
16
26
28 1pm
30
31
32 4pm
53
53
53 7pm
53
66
54 10pm
54
54
54 1am
54
54
AD 728×90

Air Quality Index Trend

48h · 63 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
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
43
10.31 µg/m³
PM10▲
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Seoul?

Temperature & Precipitation

PM2.5 Trend

48h · 63 stations
PM2.510.31 µg/m³ ✓ WHO
Good
PM1073.05 µg/m³
Moderate
UV INDEX1.4
Low
AD 300×250
Station readings (107 stations within 25 km)
10.31
Median
9.83
Average
3.4
Low
24.5
High
PM2.5 µg/m³ · Model: 23.6 · Bias: +13.3

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 35 Siheungdong 30 Guri-si 23 Goyang-si 36 Bucheon-si 42 Anyang-si 48 Seongnam-si 28 Hanam 48 Uijeongbu-si 48 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 2026-07-21T22:57 UTC.