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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.

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 38 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 33 28–39 8.0 µg/m³ 21h 103
2026-09-04 33 27–42 7.9 µg/m³ 24h 106
2026-09-03 38 27–54 9.0 µg/m³ 24h 100
2026-09-02 43 34–49 10.2 µg/m³ 24h 100
2026-09-01 29 22–36 7.0 µg/m³ 24h 103
2026-08-31 26 20–36 6.3 µg/m³ 24h 91
2026-08-30 32 22–44 7.6 µg/m³ 24h 98
2026-08-29 32 24–45 7.7 µg/m³ 24h 95
2026-08-28 34 24–51 8.0 µg/m³ 24h 107
2026-08-27 50 42–56 12.4 µg/m³ 24h 104
2026-08-26 50 39–57 12.4 µg/m³ 24h 108
2026-08-25 43 21–54 10.3 µg/m³ 24h 107
2026-08-24 56 32–66 14.7 µg/m³ 24h 104
2026-08-23 44 25–57 10.7 µg/m³ 24h 102
2026-08-22 37 20–53 8.8 µg/m³ 24h 107
2026-08-21 45 25–63 11.3 µg/m³ 24h 105
2026-08-20 57 48–68 15.1 µg/m³ 24h 111
2026-08-19 51 41–60 12.6 µg/m³ 24h 104
2026-08-18 43 38–51 10.4 µg/m³ 24h 104
2026-08-17 33 24–44 7.9 µg/m³ 24h 96
2026-08-16 28 28–28 6.7 µg/m³ 1h 124
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