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Air Quality History for Cheonan, South Korea

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

31
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 41 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 43 29–73 11.0 µg/m³ 7h 37
2026-10-20 38 21–54 9.2 µg/m³ 24h 24
2026-10-19 37 18–57 8.9 µg/m³ 24h 28
2026-10-18 35 11–56 8.5 µg/m³ 24h 28
2026-10-17 39 13–63 9.4 µg/m³ 24h 23
2026-10-16 51 11–68 13.7 µg/m³ 24h 26
2026-10-15 39 17–60 9.4 µg/m³ 24h 19
2026-10-14 35 9–61 8.4 µg/m³ 24h 23
2026-10-13 48 22–82 12.8 µg/m³ 24h 26
2026-10-12 48 18–68 12.1 µg/m³ 24h 27
2026-10-11 56 25–70 15.5 µg/m³ 24h 36
2026-10-10 55 20–78 14.8 µg/m³ 24h 20
2026-10-09 58 22–78 16.0 µg/m³ 24h 34
2026-10-08 57 21–85 15.4 µg/m³ 24h 40
2026-10-07 45 31–54 10.9 µg/m³ 15h 43
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