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Air Quality History for Seoul, South Korea

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

34
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 86 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 36 32–40 8.5 µg/m³ 17h 73
2026-09-04 36 28–50 8.5 µg/m³ 24h 78
2026-09-03 40 24–54 9.7 µg/m³ 24h 71
2026-09-02 46 30–56 11.0 µg/m³ 24h 74
2026-09-01 29 22–40 6.9 µg/m³ 24h 77
2026-08-31 26 19–32 6.1 µg/m³ 24h 66
2026-08-30 31 23–37 7.4 µg/m³ 24h 68
2026-08-29 34 23–49 8.1 µg/m³ 24h 61
2026-08-28 38 21–56 9.1 µg/m³ 24h 78
2026-08-27 54 47–61 13.5 µg/m³ 24h 78
2026-08-26 53 44–62 13.5 µg/m³ 24h 78
2026-08-25 45 23–59 11.1 µg/m³ 24h 71
2026-08-24 58 34–68 15.7 µg/m³ 24h 75
2026-08-23 48 23–63 12.0 µg/m³ 24h 60
2026-08-22 41 24–58 10.0 µg/m³ 24h 69
2026-08-21 49 30–66 12.2 µg/m³ 24h 77
2026-08-20 61 53–76 17.0 µg/m³ 24h 80
2026-08-19 54 43–63 13.7 µg/m³ 24h 80
2026-08-18 46 31–52 11.1 µg/m³ 24h 71
2026-08-17 35 24–51 8.4 µg/m³ 24h 64
2026-08-16 28 24–34 6.9 µg/m³ 4h 60
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