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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.

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

Air Quality Index Station

475h

PM2.5 Station

475h · 16 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 55 40–64 14.6 µg/m³ 10h 15
2026-06-08 53 33–62 13.5 µg/m³ 24h 17
2026-06-07 45 18–62 10.9 µg/m³ 24h 16
2026-06-06 47 34–54 11.5 µg/m³ 24h 19
2026-06-05 42 25–54 10.2 µg/m³ 24h 18
2026-06-04 49 30–64 12.6 µg/m³ 24h 18
2026-06-03 61 27–72 16.9 µg/m³ 24h 19
2026-06-02 60 48–72 16.5 µg/m³ 24h 19
2026-06-01 59 28–82 16.7 µg/m³ 24h 13
2026-05-31 59 7–83 16.6 µg/m³ 24h 11
2026-05-30 60 27–78 16.9 µg/m³ 24h 11
2026-05-29 57 11–86 16.3 µg/m³ 24h 10
2026-05-28 54 13–87 15.0 µg/m³ 24h 10
2026-05-27 33 4–45 7.9 µg/m³ 23h 11
2026-05-26 44 16–66 11.3 µg/m³ 24h 11
2026-05-25 53 10–74 14.3 µg/m³ 24h 14
2026-05-24 55 26–79 14.5 µg/m³ 24h 13
2026-05-23 56 31–102 15.0 µg/m³ 23h 11
2026-05-22 49 35–62 12.2 µg/m³ 24h 13
2026-05-21 39 24–62 9.4 µg/m³ 23h 12
2026-05-20 37 22–49 8.8 µg/m³ 12h 13
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