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Air Quality History for Choi Wan, Hong Kong

Historical PM2.5 and AQI trend from monitoring stations near Choi Wan, Hong Kong.

55
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-29 57 30–77 15.8 µg/m³ 16.7 19h 2
2026-05-28 54 41–60 13.6 µg/m³ 14.5 24h 2
2026-05-27 49 41–62 11.9 µg/m³ 12.9 24h 2
2026-05-26 51 42–62 12.7 µg/m³ 13.3 24h 1
2026-05-25 52 40–69 13.6 µg/m³ 14.9 24h 2
2026-05-24 68 59–159 20.2 µg/m³ 22.2 24h 2
2026-05-23 71 63–80 21.5 µg/m³ 22.8 24h 2
2026-05-22 81 64–103 26.4 µg/m³ 28.1 23h 1
2026-05-21 79 64–96 25.3 µg/m³ 27.2 24h 2
2026-05-20 48 6–82 13.0 µg/m³ 14.1 24h 2
2026-05-19 41 8–71 10.7 µg/m³ 11.9 24h 2
2026-05-18 44 17–61 11.0 µg/m³ 13.0 24h 2
2026-05-17 36 26–49 8.6 µg/m³ 9.7 24h 1
2026-05-16 34 15–55 8.1 µg/m³ 9.5 24h 2
2026-05-15 39 24–56 9.6 µg/m³ 11.2 5h 2
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