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Air Quality History for Tuen Mun San Hui, Hong Kong

Historical PM2.5 and AQI trend from monitoring stations near Tuen Mun San Hui, Hong Kong.

24
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 2 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 86 74–92 28.9 µg/m³ 31.4 4h 2
2026-10-20 55 30–74 15.1 µg/m³ 15.9 24h 2
2026-10-19 64 31–84 19.3 µg/m³ 20.3 24h 2
2026-10-18 50 31–87 12.9 µg/m³ 13.9 24h 2
2026-10-17 60 42–77 16.3 µg/m³ 17.3 24h 2
2026-10-16 84 61–98 27.9 µg/m³ 30.7 24h 2
2026-10-15 99 84–121 34.4 µg/m³ 39.0 24h 2
2026-10-14 115 94–141 41.0 µg/m³ 47.7 24h 2
2026-10-13 131 102–152 47.9 µg/m³ 55.3 24h 2
2026-10-12 96 89–106 33.2 µg/m³ 36.8 24h 2
2026-10-11 84 73–96 27.9 µg/m³ 30.0 24h 2
2026-10-10 81 73–95 26.3 µg/m³ 28.0 24h 2
2026-10-09 61 55–73 16.7 µg/m³ 17.6 24h 2
2026-10-08 63 33–97 18.3 µg/m³ 19.6 24h 2
2026-10-07 80 64–88 26.1 µg/m³ 28.0 24h 2
2026-10-06 63 38–75 18.0 µg/m³ 18.9 24h 2
2026-10-05 38 12–64 9.5 µg/m³ 9.7 24h 2
2026-10-04 36 16–46 8.6 µg/m³ 9.3 24h 2
2026-10-03 29 3–47 7.0 µg/m³ 7.8 24h 1
2026-10-02 39 3–57 9.6 µg/m³ 10.3 24h 1
2026-10-01 30 23–44 7.1 µg/m³ 7.7 19h 1
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