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Air Quality History for Hong Lok Yuen, Hong Kong

Historical PM2.5 and AQI trend from monitoring stations near Hong Lok Yuen, Hong Kong.

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

Air Quality Index Station

329h

PM2.5 Station

329h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-21 63 38–87 18.3 µg/m³ 19.9 23h 2
2026-07-20 61 17–82 17.8 µg/m³ 18.7 24h 1
2026-07-19 51 19–71 13.3 µg/m³ 14.4 24h 2
2026-07-18 45 21–56 11.1 µg/m³ 12.3 24h 2
2026-07-17 43 25–55 10.4 µg/m³ 11.7 24h 2
2026-07-16 21 4–37 4.9 µg/m³ 5.6 23h 2
2026-07-15 28 6–62 7.0 µg/m³ 7.8 23h 2
2026-07-14 15 1–136 4.2 µg/m³ 4.9 23h 2
2026-07-13 22 1–58 5.4 µg/m³ 5.9 23h 2
2026-07-12 56 22–71 15.5 µg/m³ 16.8 24h 2
2026-07-11 54 24–77 14.4 µg/m³ 15.5 24h 2
2026-07-10 25 17–38 6.0 µg/m³ 6.7 24h 2
2026-07-09 37 18–55 9.0 µg/m³ 9.8 24h 2
2026-07-08 43 16–72 10.9 µg/m³ 11.7 21h 2
2026-07-07 9 9–9 2.2 µg/m³ 3.2 1h 1
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