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Air Quality History for Osan, South Korea

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

89
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 18 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 74 63–86 23.2 µg/m³ 11h 98
2026-05-29 64 49–87 18.1 µg/m³ 24h 100
2026-05-28 54 32–78 14.6 µg/m³ 24h 97
2026-05-27 35 29–42 8.4 µg/m³ 24h 98
2026-05-26 49 25–60 12.2 µg/m³ 24h 100
2026-05-25 57 32–69 15.3 µg/m³ 24h 118
2026-05-24 60 30–70 16.4 µg/m³ 24h 104
2026-05-23 54 45–61 13.8 µg/m³ 24h 109
2026-05-22 50 39–58 12.4 µg/m³ 24h 115
2026-05-21 37 31–45 8.9 µg/m³ 24h 115
2026-05-20 42 33–88 10.5 µg/m³ 24h 117
2026-05-19 65 47–77 18.9 µg/m³ 24h 123
2026-05-18 68 61–72 20.4 µg/m³ 24h 124
2026-05-17 61 28–72 17.1 µg/m³ 24h 136
2026-05-16 59 25–80 16.2 µg/m³ 24h 115
2026-05-15 58 52–63 15.4 µg/m³ 24h 110
2026-05-14 59 35–69 16.3 µg/m³ 24h 102
2026-05-13 58 48–64 15.2 µg/m³ 24h 102
2026-05-12 45 30–54 10.9 µg/m³ 24h 107
2026-05-11 45 26–53 10.9 µg/m³ 24h 95
2026-05-10 41 33–50 9.9 µg/m³ 12h 104
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