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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.

36
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 31 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 46 39–52 11.1 µg/m³ 4h 59
2026-10-20 39 25–51 9.3 µg/m³ 24h 76
2026-10-19 37 22–48 8.8 µg/m³ 24h 79
2026-10-18 35 18–55 8.5 µg/m³ 24h 79
2026-10-17 45 27–60 11.1 µg/m³ 24h 72
2026-10-16 49 21–66 13.0 µg/m³ 24h 77
2026-10-15 40 26–49 9.6 µg/m³ 24h 74
2026-10-14 34 20–57 8.2 µg/m³ 24h 68
2026-10-13 49 31–70 12.7 µg/m³ 24h 80
2026-10-12 46 22–66 11.6 µg/m³ 24h 79
2026-10-11 55 26–66 14.6 µg/m³ 24h 89
2026-10-10 57 30–68 15.6 µg/m³ 24h 84
2026-10-09 59 24–81 16.6 µg/m³ 24h 94
2026-10-08 51 17–64 13.3 µg/m³ 24h 98
2026-10-07 47 34–54 11.2 µg/m³ 17h 101
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