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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.

68
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 65–90 24.1 µg/m³ 11h 101
2026-05-29 64 48–83 18.1 µg/m³ 24h 105
2026-05-28 54 24–82 14.6 µg/m³ 24h 101
2026-05-27 36 29–42 8.6 µg/m³ 24h 103
2026-05-26 48 26–58 12.2 µg/m³ 24h 106
2026-05-25 57 32–67 15.4 µg/m³ 24h 123
2026-05-24 60 31–69 16.5 µg/m³ 24h 108
2026-05-23 54 44–61 13.9 µg/m³ 24h 115
2026-05-22 50 36–58 12.3 µg/m³ 24h 123
2026-05-21 37 31–46 9.0 µg/m³ 24h 122
2026-05-20 42 35–82 10.3 µg/m³ 24h 124
2026-05-19 65 43–76 18.9 µg/m³ 24h 131
2026-05-18 68 62–72 20.3 µg/m³ 24h 132
2026-05-17 62 29–82 17.6 µg/m³ 24h 148
2026-05-16 59 26–81 16.2 µg/m³ 24h 123
2026-05-15 58 52–66 15.4 µg/m³ 24h 111
2026-05-14 58 28–69 16.1 µg/m³ 24h 106
2026-05-13 57 46–64 15.2 µg/m³ 24h 105
2026-05-12 46 29–54 11.0 µg/m³ 24h 111
2026-05-11 45 27–53 10.7 µg/m³ 24h 100
2026-05-10 42 33–53 10.2 µg/m³ 13h 113
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