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Air Quality History for Sung Wong Toi, Hong Kong

Historical PM2.5 and AQI trend from monitoring stations near Sung Wong Toi, Hong Kong.

75
Current AQI
Moderate 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 89 74–98 30.3 µg/m³ 34.2 4h 2
2026-10-20 54 32–70 14.1 µg/m³ 15.4 24h 2
2026-10-19 62 30–84 18.6 µg/m³ 19.9 24h 2
2026-10-18 45 28–63 11.3 µg/m³ 12.3 24h 2
2026-10-17 57 39–75 15.3 µg/m³ 16.7 24h 2
2026-10-16 83 59–102 27.3 µg/m³ 30.7 24h 2
2026-10-15 99 79–125 34.2 µg/m³ 38.6 24h 2
2026-10-14 115 91–145 41.4 µg/m³ 47.3 24h 2
2026-10-13 139 101–158 53.7 µg/m³ 60.5 24h 2
2026-10-12 95 86–112 32.7 µg/m³ 36.0 24h 2
2026-10-11 82 70–94 26.7 µg/m³ 28.9 24h 2
2026-10-10 77 69–90 24.5 µg/m³ 26.9 24h 2
2026-10-09 58 53–65 15.3 µg/m³ 16.5 24h 2
2026-10-08 59 28–96 17.0 µg/m³ 18.9 24h 2
2026-10-07 77 57–84 24.3 µg/m³ 26.8 24h 2
2026-10-06 59 29–69 16.3 µg/m³ 17.4 24h 2
2026-10-05 33 10–63 8.1 µg/m³ 8.5 24h 2
2026-10-04 34 14–46 8.1 µg/m³ 8.8 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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