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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

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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