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Air Quality History for Tsz Wan Shan, Hong Kong

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

75
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
2026-10-21 89 74–97 30.1 µg/m³ 33.8 4h 2
2026-10-20 54 32–70 14.3 µg/m³ 15.5 24h 2
2026-10-19 63 31–84 18.7 µg/m³ 19.9 24h 2
2026-10-18 46 28–62 11.5 µg/m³ 12.5 24h 2
2026-10-17 57 40–74 15.5 µg/m³ 16.8 24h 2
2026-10-16 83 59–101 27.4 µg/m³ 30.7 24h 2
2026-10-15 99 80–124 34.2 µg/m³ 38.7 24h 2
2026-10-14 115 92–144 41.3 µg/m³ 47.4 24h 2
2026-10-13 138 101–157 52.8 µg/m³ 59.7 24h 2
2026-10-12 95 86–111 32.8 µg/m³ 36.1 24h 2
2026-10-11 82 71–95 26.9 µg/m³ 29.1 24h 2
2026-10-10 78 70–90 24.8 µg/m³ 27.0 24h 2
2026-10-09 58 54–66 15.5 µg/m³ 16.7 24h 2
2026-10-08 60 28–96 17.2 µg/m³ 19.0 24h 2
2026-10-07 80 74–85 26.0 µg/m³ 28.7 19h 2
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