서대문구 Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

서대문구

Seodaemun-gu, Seoul

2026-03-09 14:00

AQI (US)

Unhealthy for Sensitive Groups

PM2.5

μg/m³

52

PM10

μg/m³

70

O3

μg/m³

110.8

NO2

μg/m³

25.7

CO

μg/m³

875

SO2

μg/m³

9.7

Weather

3℃

41%

5 kph

0 of 11

Historical Data

Data Sources

http://www.airkorea.or.kr/

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