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Air Quality History for Tsuen Wan, Hong Kong

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

51
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-05 67 56–91 19.6 µg/m³ 20.7 14h 2
2026-09-04 53 13–96 15.2 µg/m³ 15.9 24h 2
2026-09-03 30 7–54 7.2 µg/m³ 7.7 24h 2
2026-09-02 33 6–58 8.0 µg/m³ 8.6 24h 2
2026-09-01 30 8–52 7.3 µg/m³ 7.8 23h 2
2026-08-31 34 12–62 8.4 µg/m³ 9.0 24h 2
2026-08-30 48 27–96 12.7 µg/m³ 13.6 24h 2
2026-08-29 72 50–90 22.0 µg/m³ 22.9 24h 3
2026-08-28 54 34–63 14.0 µg/m³ 14.8 24h 2
2026-08-27 58 49–77 15.3 µg/m³ 16.8 24h 2
2026-08-26 26 9–52 6.3 µg/m³ 7.0 24h 2
2026-08-25 32 15–55 7.7 µg/m³ 9.0 24h 2
2026-08-24 28 19–54 6.6 µg/m³ 7.6 24h 2
2026-08-23 25 14–43 6.1 µg/m³ 6.9 24h 2
2026-08-22 19 5–29 4.5 µg/m³ 5.1 24h 2
2026-08-21 12 5–49 2.8 µg/m³ 3.4 24h 2
2026-08-20 4 1–8 1.0 µg/m³ 1.5 21h 2
2026-08-19 17 4–43 4.2 µg/m³ 4.8 24h 2
2026-08-18 28 12–56 6.8 µg/m³ 7.6 24h 2
2026-08-17 74 8–97 23.8 µg/m³ 25.7 24h 2
2026-08-16 54 34–71 14.3 µg/m³ 15.0 9h 2
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