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Air Quality History for Wong Tai Sin, Hong Kong

Historical PM2.5 and AQI trend from monitoring stations near Wong Tai Sin, Hong Kong.

59
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

463h

PM2.5 Station

463h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 58 54–71 15.5 µg/m³ 17.1 9h 2
2026-07-21 60 40–76 16.7 µg/m³ 18.7 24h 2
2026-07-20 61 28–77 17.6 µg/m³ 18.6 24h 1
2026-07-19 48 6–78 12.7 µg/m³ 14.2 24h 2
2026-07-18 41 20–55 10.0 µg/m³ 11.5 24h 2
2026-07-17 41 24–57 10.0 µg/m³ 11.5 24h 2
2026-07-16 20 5–50 4.9 µg/m³ 5.7 24h 2
2026-07-15 28 9–57 6.7 µg/m³ 7.7 24h 2
2026-07-14 13 1–116 3.7 µg/m³ 4.5 23h 2
2026-07-13 15 1–52 3.7 µg/m³ 4.1 24h 2
2026-07-12 51 23–70 13.8 µg/m³ 15.4 24h 2
2026-07-11 38 23–57 9.3 µg/m³ 9.9 24h 2
2026-07-10 24 11–34 5.9 µg/m³ 6.8 24h 2
2026-07-09 29 19–43 6.9 µg/m³ 7.8 24h 2
2026-07-08 38 16–65 9.3 µg/m³ 10.2 24h 2
2026-07-07 20 6–34 4.8 µg/m³ 5.8 24h 2
2026-07-06 20 7–44 4.8 µg/m³ 5.2 13h 3
2026-07-05 12 5–23 2.8 µg/m³ 3.9 24h 2
2026-07-04 7 1–14 1.8 µg/m³ 2.9 24h 2
2026-07-03 17 1–38 3.9 µg/m³ 4.8 24h 2
2026-07-02 16 1–43 3.7 µg/m³ 3.0 10h 4
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