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Air Quality History for Hong Kong Island, Hong Kong

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

73
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

480h

PM2.5 Station

480h · 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 74–97 30.0 µg/m³ 33.4 5h 2
2026-10-20 54 32–70 14.3 µg/m³ 15.5 24h 2
2026-10-19 63 31–84 18.7 µg/m³ 19.9 24h 2
2026-10-18 46 28–62 11.5 µg/m³ 12.5 24h 2
2026-10-17 57 39–74 15.4 µg/m³ 16.8 24h 2
2026-10-16 83 59–101 27.4 µg/m³ 30.7 24h 2
2026-10-15 99 80–124 34.2 µg/m³ 38.7 24h 2
2026-10-14 115 92–144 41.3 µg/m³ 47.4 24h 2
2026-10-13 138 101–157 52.9 µg/m³ 59.8 24h 2
2026-10-12 95 86–111 32.8 µg/m³ 36.1 24h 2
2026-10-11 82 71–95 26.9 µg/m³ 29.1 24h 2
2026-10-10 78 70–90 24.8 µg/m³ 27.0 24h 2
2026-10-09 58 54–66 15.4 µg/m³ 16.7 24h 2
2026-10-08 60 28–96 17.2 µg/m³ 19.0 24h 2
2026-10-07 77 58–85 24.6 µg/m³ 26.9 24h 2
2026-10-06 59 30–70 16.5 µg/m³ 17.6 24h 2
2026-10-05 34 10–63 8.3 µg/m³ 8.7 24h 2
2026-10-04 34 14–46 8.1 µg/m³ 8.9 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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