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Air Quality History for Seongnam-si, South Korea

Historical PM2.5 and AQI trend from monitoring stations near Seongnam-si, South Korea.

23
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 73 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 45 38–51 10.8 µg/m³ 3h 68
2026-07-21 45 28–67 11.3 µg/m³ 24h 124
2026-07-20 41 29–58 9.9 µg/m³ 24h 103
2026-07-19 47 25–59 11.4 µg/m³ 24h 97
2026-07-18 46 28–58 11.2 µg/m³ 24h 92
2026-07-17 55 34–72 14.6 µg/m³ 24h 67
2026-07-16 57 35–74 15.4 µg/m³ 24h 73
2026-07-15 50 29–60 12.7 µg/m³ 24h 56
2026-07-14 39 27–57 9.5 µg/m³ 24h 59
2026-07-13 38 21–47 9.1 µg/m³ 24h 53
2026-07-12 46 29–57 11.4 µg/m³ 24h 61
2026-07-11 49 22–100 12.4 µg/m³ 24h 59
2026-07-10 46 37–54 11.0 µg/m³ 24h 52
2026-07-09 39 29–72 9.5 µg/m³ 24h 60
2026-07-08 34 23–40 8.1 µg/m³ 21h 74
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