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Air Quality History for Yuen Long, Hong Kong

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

70
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 99 89–107 34.6 µg/m³ 39.3 3h 3
2026-10-20 57 29–86 16.1 µg/m³ 16.9 24h 3
2026-10-19 71 53–88 21.6 µg/m³ 22.5 24h 3
2026-10-18 48 21–66 12.2 µg/m³ 12.9 24h 3
2026-10-17 56 44–73 15.0 µg/m³ 15.8 24h 3
2026-10-16 85 65–96 28.3 µg/m³ 30.7 24h 3
2026-10-15 99 86–120 34.8 µg/m³ 39.4 24h 3
2026-10-14 115 94–152 41.2 µg/m³ 47.8 24h 3
2026-10-13 143 111–158 56.2 µg/m³ 63.2 24h 3
2026-10-12 101 94–113 35.5 µg/m³ 40.2 24h 3
2026-10-11 90 80–99 30.5 µg/m³ 33.6 24h 3
2026-10-10 88 81–97 29.5 µg/m³ 32.3 24h 3
2026-10-09 71 59–86 21.8 µg/m³ 23.3 24h 3
2026-10-08 71 37–97 22.1 µg/m³ 24.4 24h 3
2026-10-07 84 65–97 27.8 µg/m³ 30.1 24h 3
2026-10-06 70 48–83 20.9 µg/m³ 22.1 24h 3
2026-10-05 37 13–57 8.9 µg/m³ 9.2 24h 3
2026-10-04 37 16–55 8.9 µg/m³ 9.4 24h 2
2026-10-03 31 3–57 7.7 µg/m³ 8.2 24h 2
2026-10-02 40 15–56 9.5 µg/m³ 10.0 24h 2
2026-10-01 35 22–57 8.4 µg/m³ 8.8 20h 2
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