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Air Quality History for Cheonan, South Korea

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

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

Air Quality Index Station

335h

PM2.5 Station

335h · 51 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 52 36–58 13.1 µg/m³ 6h 42
2026-07-21 48 30–80 12.5 µg/m³ 24h 64
2026-07-20 41 23–53 9.9 µg/m³ 24h 53
2026-07-19 47 24–60 11.7 µg/m³ 24h 50
2026-07-18 43 24–56 10.6 µg/m³ 24h 50
2026-07-17 54 28–68 14.2 µg/m³ 24h 37
2026-07-16 56 28–76 15.2 µg/m³ 24h 42
2026-07-15 49 35–61 12.2 µg/m³ 24h 30
2026-07-14 40 27–56 9.6 µg/m³ 24h 29
2026-07-13 40 20–53 9.6 µg/m³ 24h 36
2026-07-12 48 30–57 11.7 µg/m³ 24h 29
2026-07-11 50 12–104 12.6 µg/m³ 24h 34
2026-07-10 45 37–60 10.9 µg/m³ 24h 28
2026-07-09 37 21–46 8.9 µg/m³ 24h 35
2026-07-08 35 25–54 8.5 µg/m³ 17h 51
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