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Air Quality History for Sun Tin Wai, Hong Kong

Historical PM2.5 and AQI trend from monitoring stations near Sun Tin Wai, Hong Kong.

38
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

322h

PM2.5 Station

322h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 139 128–151 50.8 µg/m³ 58.4 8h 2
2026-08-07 53 28–106 14.6 µg/m³ 15.6 24h 2
2026-08-06 43 27–61 10.6 µg/m³ 11.2 24h 2
2026-08-05 59 36–69 16.1 µg/m³ 16.7 24h 2
2026-08-04 18 6–42 4.4 µg/m³ 4.8 24h 2
2026-08-03 15 1–45 3.6 µg/m³ 3.9 23h 2
2026-08-02 4 1–9 0.8 µg/m³ 1.2 23h 2
2026-08-01 5 1–11 1.2 µg/m³ 1.7 16h 1
2026-07-31 10 2–53 2.4 µg/m³ 2.4 22h 3
2026-07-30 35 1–54 8.3 µg/m³ 8.6 24h 2
2026-07-29 29 8–55 7.0 µg/m³ 7.6 24h 2
2026-07-28 7 1–21 1.7 µg/m³ 2.3 23h 2
2026-07-27 33 13–50 7.9 µg/m³ 8.7 24h 2
2026-07-26 37 19–60 9.0 µg/m³ 10.1 24h 2
2026-07-25 26 7–52 6.3 µg/m³ 7.4 15h 2
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