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Air Quality History for Ansan-si, South Korea

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

37
Current AQI
Good Station

Air Quality Index Station

168h

PM2.5 Station

168h · 101 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 48 28–56 11.7 µg/m³ 6h 121
2026-07-21 45 28–67 11.3 µg/m³ 24h 143
2026-07-20 42 30–58 10.0 µg/m³ 24h 113
2026-07-19 46 25–57 11.3 µg/m³ 24h 105
2026-07-18 45 28–59 11.1 µg/m³ 24h 105
2026-07-17 54 37–65 14.0 µg/m³ 24h 95
2026-07-16 57 34–73 15.1 µg/m³ 24h 108
2026-07-15 49 33–59 12.3 µg/m³ 18h 77
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