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Air Quality History for Seoul, South Korea

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

91
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

480h

PM2.5 Station

480h · 21 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 76 64–90 24.0 µg/m³ 11h 98
2026-05-29 64 46–82 18.1 µg/m³ 24h 99
2026-05-28 54 26–83 14.7 µg/m³ 24h 96
2026-05-27 36 29–40 8.5 µg/m³ 24h 99
2026-05-26 49 27–59 12.2 µg/m³ 24h 103
2026-05-25 58 33–67 15.4 µg/m³ 24h 120
2026-05-24 60 27–70 16.6 µg/m³ 24h 102
2026-05-23 55 44–62 14.0 µg/m³ 24h 111
2026-05-22 50 36–58 12.4 µg/m³ 24h 120
2026-05-21 37 30–45 9.0 µg/m³ 24h 118
2026-05-20 42 34–84 10.4 µg/m³ 24h 121
2026-05-19 65 41–76 18.9 µg/m³ 24h 129
2026-05-18 68 63–71 20.4 µg/m³ 24h 129
2026-05-17 62 28–82 17.5 µg/m³ 24h 151
2026-05-16 59 26–81 16.2 µg/m³ 24h 122
2026-05-15 58 51–66 15.4 µg/m³ 24h 108
2026-05-14 58 28–70 15.9 µg/m³ 24h 103
2026-05-13 57 45–64 15.1 µg/m³ 24h 101
2026-05-12 45 29–54 10.9 µg/m³ 24h 108
2026-05-11 45 26–53 10.8 µg/m³ 24h 96
2026-05-10 42 33–53 10.1 µg/m³ 13h 109
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