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Air Quality History for Seoul, South Korea

Historical PM2.5 and AQI trend from monitoring stations near Seoul, South Korea.

52
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 60 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 47 47–47 11.2 µg/m³ 1h 60
2026-07-21 45 24–69 11.0 µg/m³ 24h 114
2026-07-20 41 29–54 9.8 µg/m³ 24h 96
2026-07-19 47 23–59 11.4 µg/m³ 24h 92
2026-07-18 45 28–59 11.0 µg/m³ 24h 87
2026-07-17 52 30–72 13.5 µg/m³ 24h 59
2026-07-16 56 37–75 14.9 µg/m³ 24h 60
2026-07-15 50 31–61 12.5 µg/m³ 24h 45
2026-07-14 38 18–72 9.3 µg/m³ 24h 49
2026-07-13 37 15–50 8.9 µg/m³ 24h 44
2026-07-12 47 27–56 11.4 µg/m³ 24h 50
2026-07-11 50 24–157 13.7 µg/m³ 24h 48
2026-07-10 45 28–58 10.9 µg/m³ 24h 47
2026-07-09 36 28–49 8.8 µg/m³ 24h 53
2026-07-08 33 25–40 7.9 µg/m³ 22h 60
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