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Air Quality History for Osan, South Korea

Historical PM2.5 and AQI trend from monitoring stations near Osan, South Korea.

45
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 73 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 56 50–61 14.4 µg/m³ 10h 89
2026-06-08 54 41–59 13.5 µg/m³ 24h 99
2026-06-07 47 30–53 11.2 µg/m³ 24h 98
2026-06-06 49 40–60 12.0 µg/m³ 24h 112
2026-06-05 45 38–52 10.9 µg/m³ 24h 109
2026-06-04 53 37–68 13.4 µg/m³ 24h 105
2026-06-03 62 43–70 17.3 µg/m³ 24h 111
2026-06-02 62 55–69 17.1 µg/m³ 24h 110
2026-06-01 59 20–72 16.6 µg/m³ 24h 64
2026-05-31 62 51–72 17.3 µg/m³ 24h 58
2026-05-30 63 53–73 18.0 µg/m³ 24h 64
2026-05-29 63 57–86 18.0 µg/m³ 24h 61
2026-05-28 56 40–85 15.6 µg/m³ 24h 59
2026-05-27 35 25–48 8.3 µg/m³ 24h 62
2026-05-26 48 17–70 12.1 µg/m³ 24h 62
2026-05-25 56 27–71 14.8 µg/m³ 24h 74
2026-05-24 59 27–71 16.1 µg/m³ 24h 67
2026-05-23 54 36–63 13.7 µg/m³ 24h 62
2026-05-22 50 34–59 12.4 µg/m³ 24h 75
2026-05-21 38 28–50 9.1 µg/m³ 24h 67
2026-05-20 48 32–168 15.2 µg/m³ 13h 66
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