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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.

50
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 34 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 47 29–55 11.6 µg/m³ 7h 110
2026-07-21 46 33–73 11.7 µg/m³ 24h 143
2026-07-20 42 30–58 10.0 µg/m³ 24h 112
2026-07-19 47 25–57 11.3 µg/m³ 24h 104
2026-07-18 46 28–58 11.1 µg/m³ 24h 105
2026-07-17 54 39–65 14.0 µg/m³ 24h 95
2026-07-16 56 35–72 14.9 µg/m³ 24h 109
2026-07-15 50 33–61 12.4 µg/m³ 24h 84
2026-07-14 39 28–54 9.4 µg/m³ 24h 86
2026-07-13 39 28–47 9.3 µg/m³ 24h 94
2026-07-12 46 22–58 11.4 µg/m³ 24h 91
2026-07-11 48 24–85 12.2 µg/m³ 24h 89
2026-07-10 45 37–54 10.8 µg/m³ 24h 75
2026-07-09 38 31–60 9.2 µg/m³ 24h 91
2026-07-08 35 26–40 8.3 µg/m³ 17h 96
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