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Air Quality History for Cheonan, South Korea

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

28
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 56 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 36 30–56 8.7 µg/m³ 15h 54
2026-09-04 34 25–50 8.3 µg/m³ 24h 53
2026-09-03 42 29–58 10.1 µg/m³ 24h 56
2026-09-02 43 24–54 10.3 µg/m³ 24h 52
2026-09-01 29 22–53 7.1 µg/m³ 24h 50
2026-08-31 25 20–33 5.9 µg/m³ 24h 53
2026-08-30 32 16–40 7.6 µg/m³ 24h 52
2026-08-29 30 22–43 7.2 µg/m³ 24h 52
2026-08-28 34 20–59 8.1 µg/m³ 24h 58
2026-08-27 51 40–58 12.6 µg/m³ 24h 55
2026-08-26 53 42–59 13.4 µg/m³ 24h 58
2026-08-25 45 20–56 11.0 µg/m³ 24h 54
2026-08-24 57 35–69 15.4 µg/m³ 24h 53
2026-08-23 48 24–59 11.8 µg/m³ 24h 49
2026-08-22 34 27–40 8.0 µg/m³ 6h 53
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