Air Quality in Seoul, South Korea

Partly Cloudy
24.0°C · 55.2% humidity
24.0°
Feels 24.0°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
84 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
96 8am
96
84
53 11am
42
48
53 2pm
56
58
80 5pm
81
82
82 8pm
83
83
83 11pm
84
84
84 2am
84
84
84 5am
84
84
Station readings 28h ago
AQI 57
PM2.5 15.1 µg/m³ · 28h ago
AD 728×90

Air Quality Index Trend

47h · 110 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.

55.2%
Humidity
18.8 km/h
Wind SW
1012.4 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
53
13.18 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Seoul?

Temperature & Precipitation

PM2.5 Trend

47h · 110 stations
PM2.513.18 µg/m³ ✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (84 stations within 25 km)
13.18
Median
14.3
Average
6.0
Low
25.9
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +7.1

What is the 7-day forecast for Seoul?

06-09
27.1° 21.7°
06-10
21.8° 15.0°
0.13 mm
06-11
31.1° 21.0°
06-12
28.9° 21.3°
06-13
29.6° 24.0°
06-14
28.9° 18.8°
5.06 mm
06-15
30.9° 22.1°
Both models agree Avg diff: 4.5°C

Where are air quality stations near Seoul?

93
Seoul (서울)
0.1 km PM2.5: 32.1 µg/m³
70
Seoul (서울)
0.1 km PM2.5: 21.1 µg/m³
55
Seoul (서울)
0.1 km PM2.5: 14.0 µg/m³
72
Seoul (서울)
0.1 km PM2.5: 22.1 µg/m³
65
Cheonggyecheon, Seoul, South Korea (청계천로 서울)
1.8 km PM2.5: 18.8 µg/m³
70
Cheonggyecheon, Seoul, South Korea (청계천로 서울)
1.8 km PM2.5: 21.1 µg/m³
53
Jongno-gu, Seoul, South Korea (종로구 서울)
2.4 km PM2.5: 13.1 µg/m³
61
Jongno-gu, Seoul, South Korea (종로구 서울)
2.4 km PM2.5: 16.9 µg/m³
74
Yongsan-gu, Seoul, South Korea (용산구 서울)
3.7 km PM2.5: 23.0 µg/m³
43
Yongsan-gu, Seoul, South Korea (용산구 서울)
3.7 km PM2.5: 10.3 µg/m³

What cities are near Seoul?

53 Gwangmyeong 54 Siheungdong 55 Guri-si 45 Goyang-si 52 Bucheon-si 54 Anyang-si 67 Seongnam-si 51 Hanam 45 Uijeongbu-si 60 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 2026-06-09T02:03 UTC.