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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.

32
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 90 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 34–56 11.5 µg/m³ 5h 101
2026-07-21 45 28–65 11.3 µg/m³ 24h 136
2026-07-20 41 29–58 9.9 µg/m³ 24h 112
2026-07-19 47 25–58 11.3 µg/m³ 24h 106
2026-07-18 45 28–58 11.1 µg/m³ 24h 103
2026-07-17 52 27–65 13.7 µg/m³ 24h 84
2026-07-16 60 42–72 16.3 µg/m³ 24h 88
2026-07-15 50 33–59 12.6 µg/m³ 24h 68
2026-07-14 39 24–55 9.4 µg/m³ 24h 73
2026-07-13 38 26–47 9.1 µg/m³ 24h 66
2026-07-12 47 24–58 11.5 µg/m³ 24h 74
2026-07-11 50 33–99 12.6 µg/m³ 24h 72
2026-07-10 44 32–54 10.5 µg/m³ 24h 68
2026-07-09 36 18–43 8.6 µg/m³ 24h 76
2026-07-08 33 12–40 7.9 µg/m³ 19h 92
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