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Air Quality History for Cheongju-si, South Korea

Historical PM2.5 and AQI trend from monitoring stations near Cheongju-si, South Korea.

50
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 18 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 59 55–65 15.7 µg/m³ 3h 16
2026-10-20 38 16–59 9.3 µg/m³ 24h 16
2026-10-19 37 18–57 9.0 µg/m³ 24h 25
2026-10-18 36 12–55 8.7 µg/m³ 24h 21
2026-10-17 40 12–63 10.0 µg/m³ 24h 16
2026-10-16 48 2–69 12.5 µg/m³ 24h 25
2026-10-15 40 17–155 10.7 µg/m³ 24h 18
2026-10-14 36 17–62 8.9 µg/m³ 24h 22
2026-10-13 49 23–80 12.9 µg/m³ 24h 22
2026-10-12 48 19–70 12.6 µg/m³ 24h 20
2026-10-11 54 6–67 14.7 µg/m³ 24h 32
2026-10-10 51 17–69 13.8 µg/m³ 24h 18
2026-10-09 58 23–90 16.2 µg/m³ 24h 22
2026-10-08 53 18–85 14.0 µg/m³ 24h 19
2026-10-07 47 33–59 11.5 µg/m³ 19h 23
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