Air Quality in Seoul, South Korea

Cloudy
29.0°C · 71.0% humidity
29.0°
Feels 34.4°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
32 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
77 4am
65
65
50 7am
54
37
39 10am
34
35
36 1pm
37
37
35 4pm
35
36
38 7pm
38
38
65 10pm
65
45
45 1am
45
45
Station readings 44h ago
AQI 65
PM2.5 18.8 µg/m³ · 44h ago
AD 728×90

Air Quality Index Trend

45h · 84 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.

71.0%
Humidity
15.5 km/h
Wind E
1004.9 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
12.03 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Seoul?

Temperature & Precipitation

PM2.5 Trend

45h · 84 stations
PM2.512.03 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (32 stations within 25 km)
12.03
Median
11.82
Average
5.3
Low
18.8
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -2.0

What is the 7-day forecast for Seoul?

08-03
29.5° 25.7°
0.31 mm
08-04
32.4° 26.6°
6.81 mm
08-05
29.4° 22.6°
3.31 mm
08-06
35.0° 26.4°
0.38 mm
08-07
34.3° 26.0°
0.06 mm
08-08
34.3° 24.0°
0.06 mm
08-09
31.9° 22.6°
2.0 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Seoul?

93
Seoul (서울)
0.1 km PM2.5: 32.1 µg/m³
53
Seoul (서울)
0.1 km PM2.5: 13.1 µg/m³
68
Seoul (서울)
0.1 km PM2.5: 20.2 µg/m³
85
Jung-gu, Seoul, South Korea (중구 서울)
0.3 km PM2.5: 28.3 µg/m³
53
Cheonggyecheon, Seoul, South Korea (청계천로 서울)
1.8 km PM2.5: 13.1 µg/m³
42
Cheonggyecheon, Seoul, South Korea (청계천로 서울)
1.8 km PM2.5: 10.1 µg/m³
73
Jongno-gu, Seoul, South Korea (종로구 서울)
2.4 km PM2.5: 22.6 µg/m³
57
Yongsan-gu, Seoul, South Korea (용산구 서울)
3.7 km PM2.5: 15.0 µg/m³
15
Yongsan-gu, Seoul, South Korea (용산구 서울)
3.7 km PM2.5: 3.6 µg/m³
38
Yongsan-gu, Seoul, South Korea (용산구 서울)
3.7 km PM2.5: 9.1 µg/m³

What cities are near Seoul?

55 Gwangmyeong 54 Siheungdong 29 Guri-si 52 Goyang-si 52 Bucheon-si 63 Anyang-si 45 Seongnam-si 46 Hanam 38 Uijeongbu-si 39 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 2026-08-07T22:18 UTC.