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Air Quality History for Osan, South Korea

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

52
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 82 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 46 36–54 11.2 µg/m³ 4h 84
2026-07-21 45 24–69 11.3 µg/m³ 24h 120
2026-07-20 41 23–58 9.9 µg/m³ 24h 102
2026-07-19 46 23–57 11.3 µg/m³ 24h 94
2026-07-18 45 28–59 11.1 µg/m³ 24h 93
2026-07-17 55 34–68 14.6 µg/m³ 24h 70
2026-07-16 57 32–72 15.4 µg/m³ 24h 72
2026-07-15 51 36–60 12.7 µg/m³ 24h 55
2026-07-14 39 25–58 9.6 µg/m³ 24h 62
2026-07-13 36 28–43 8.7 µg/m³ 24h 49
2026-07-12 46 19–58 11.3 µg/m³ 24h 59
2026-07-11 52 27–166 14.6 µg/m³ 24h 57
2026-07-10 43 29–54 10.4 µg/m³ 24h 60
2026-07-09 37 23–42 8.8 µg/m³ 24h 64
2026-07-08 33 25–40 7.9 µg/m³ 20h 82
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