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Air Quality History for Cheung Chau, Hong Kong

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

56
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

450h

PM2.5 Station

450h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-29 56 30–74 15.1 µg/m³ 15.5 19h 2
2026-05-28 56 47–62 14.5 µg/m³ 15.1 24h 2
2026-05-27 53 46–61 13.4 µg/m³ 14.0 24h 2
2026-05-26 52 43–62 12.9 µg/m³ 13.5 24h 1
2026-05-25 60 49–78 16.6 µg/m³ 17.2 24h 2
2026-05-24 76 66–103 23.9 µg/m³ 25.0 24h 2
2026-05-23 82 68–91 27.0 µg/m³ 28.5 24h 2
2026-05-22 87 64–103 29.2 µg/m³ 31.8 23h 1
2026-05-21 89 84–96 29.9 µg/m³ 32.2 24h 2
2026-05-20 57 15–85 16.3 µg/m³ 17.2 24h 2
2026-05-19 45 13–84 12.2 µg/m³ 13.0 24h 2
2026-05-18 42 15–55 10.1 µg/m³ 11.4 24h 2
2026-05-17 36 26–49 8.6 µg/m³ 9.7 24h 1
2026-05-16 36 15–75 8.9 µg/m³ 9.7 24h 2
2026-05-15 20 3–56 4.8 µg/m³ 5.4 24h 2
2026-05-14 24 5–49 5.8 µg/m³ 6.3 24h 1
2026-05-13 34 28–49 8.3 µg/m³ 8.7 24h 2
2026-05-12 55 28–73 14.8 µg/m³ 15.4 24h 2
2026-05-11 95 84–137 32.8 µg/m³ 35.5 16h 1
2026-05-10 74 59–82 23.0 µg/m³ 26.3 4h 1
2026-05-09 64 60–70 18.4 µg/m³ 20.0 4h 1
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