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Air Quality History for Cheonan, South Korea

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

74
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 50 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 70 58–80 21.0 µg/m³ 9h 51
2026-05-29 62 53–84 17.4 µg/m³ 24h 51
2026-05-28 54 34–87 14.7 µg/m³ 24h 48
2026-05-27 33 26–43 8.0 µg/m³ 24h 49
2026-05-26 49 18–61 12.3 µg/m³ 24h 46
2026-05-25 57 35–70 15.3 µg/m³ 24h 54
2026-05-24 59 31–68 16.3 µg/m³ 24h 52
2026-05-23 53 45–63 13.6 µg/m³ 24h 52
2026-05-22 49 36–56 11.9 µg/m³ 24h 52
2026-05-21 37 27–48 8.8 µg/m³ 24h 53
2026-05-20 43 32–77 10.5 µg/m³ 24h 51
2026-05-19 66 53–77 19.2 µg/m³ 24h 55
2026-05-18 67 60–74 19.8 µg/m³ 24h 51
2026-05-17 59 10–75 16.9 µg/m³ 24h 49
2026-05-16 52 23–85 13.7 µg/m³ 12h 59
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