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Air Quality History for Ma On Shan, Hong Kong

Historical PM2.5 and AQI trend from monitoring stations near Ma On Shan, Hong Kong.

54
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

458h

PM2.5 Station

458h · 1 station

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 71 71–71 21.5 µg/m³ 22.1 1h 1
2026-07-21 60 40–76 16.9 µg/m³ 18.7 24h 2
2026-07-20 61 28–77 17.7 µg/m³ 18.7 24h 1
2026-07-19 49 7–78 12.9 µg/m³ 14.4 24h 2
2026-07-18 42 22–56 10.2 µg/m³ 11.7 24h 2
2026-07-17 42 24–58 10.2 µg/m³ 11.7 24h 2
2026-07-16 21 6–50 5.0 µg/m³ 5.8 24h 2
2026-07-15 28 9–56 6.8 µg/m³ 7.8 24h 2
2026-07-14 13 1–107 3.6 µg/m³ 4.3 23h 2
2026-07-13 16 1–54 3.8 µg/m³ 4.2 24h 2
2026-07-12 52 24–70 13.9 µg/m³ 15.3 24h 2
2026-07-11 39 24–58 9.6 µg/m³ 10.2 24h 2
2026-07-10 25 14–36 6.1 µg/m³ 7.0 24h 2
2026-07-09 29 20–41 7.1 µg/m³ 7.9 24h 2
2026-07-08 38 16–65 9.5 µg/m³ 10.4 24h 2
2026-07-07 21 7–34 4.9 µg/m³ 5.9 24h 2
2026-07-06 20 6–42 4.9 µg/m³ 5.2 14h 4
2026-07-05 13 5–25 3.0 µg/m³ 4.0 24h 2
2026-07-04 8 2–14 1.9 µg/m³ 3.0 24h 2
2026-07-03 17 2–38 4.0 µg/m³ 4.8 24h 2
2026-07-02 16 1–34 3.9 µg/m³ 3.3 12h 4
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