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Air Quality History for Hongch’ŏn, South Korea

Historical PM2.5 and AQI trend from monitoring stations near Hongch’ŏn, South Korea.

59
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 52 44–58 12.9 µg/m³ 3h 6
2026-10-20 34 14–54 8.0 µg/m³ 24h 8
2026-10-19 36 2–75 8.9 µg/m³ 24h 12
2026-10-18 35 13–58 8.5 µg/m³ 23h 10
2026-10-17 42 18–59 10.6 µg/m³ 24h 8
2026-10-16 50 9–72 13.5 µg/m³ 23h 11
2026-10-15 35 20–58 8.6 µg/m³ 24h 9
2026-10-14 33 10–62 8.1 µg/m³ 24h 10
2026-10-13 48 23–75 12.6 µg/m³ 24h 11
2026-10-12 48 14–87 12.8 µg/m³ 24h 10
2026-10-11 59 28–87 16.3 µg/m³ 24h 15
2026-10-10 54 23–74 14.6 µg/m³ 24h 8
2026-10-09 58 20–76 16.3 µg/m³ 24h 11
2026-10-08 49 9–70 12.7 µg/m³ 24h 10
2026-10-07 47 32–66 11.6 µg/m³ 19h 12
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