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Air Quality History for Hong Kong, Hong Kong

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

70
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 64 33–99 19.6 µg/m³ 21.0 11h 2
2026-06-08 25 8–55 6.0 µg/m³ 7.2 24h 2
2026-06-07 18 11–36 4.4 µg/m³ 5.1 24h 2
2026-06-06 17 3–56 4.2 µg/m³ 4.7 24h 2
2026-06-05 50 18–75 13.7 µg/m³ 14.6 24h 1
2026-06-04 49 36–56 12.0 µg/m³ 12.3 24h 1
2026-06-03 54 35–69 13.7 µg/m³ 14.0 24h 1
2026-06-02 68 59–79 20.3 µg/m³ 21.1 24h 1
2026-06-01 71 65–81 21.4 µg/m³ 22.5 22h 1
2026-05-31 69 55–96 20.7 µg/m³ 22.6 24h 2
2026-05-30 73 62–83 22.5 µg/m³ 25.2 24h 2
2026-05-29 56 30–77 15.2 µg/m³ 16.0 24h 2
2026-05-28 54 42–60 13.6 µg/m³ 14.5 24h 2
2026-05-27 49 42–62 11.9 µg/m³ 12.9 24h 2
2026-05-26 51 42–62 12.7 µg/m³ 13.3 24h 1
2026-05-25 52 40–69 13.6 µg/m³ 14.9 24h 2
2026-05-24 68 59–159 20.3 µg/m³ 22.2 24h 2
2026-05-23 71 63–80 21.5 µg/m³ 22.8 24h 2
2026-05-22 81 64–103 26.4 µg/m³ 28.2 23h 1
2026-05-21 79 65–96 25.4 µg/m³ 27.3 24h 2
2026-05-20 51 6–67 14.3 µg/m³ 15.5 12h 2
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