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Air Quality History for Sai Wan Ho, Hong Kong

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

55
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 65 33–99 19.9 µg/m³ 21.3 14h 2
2026-06-08 24 8–57 5.9 µg/m³ 7.2 24h 2
2026-06-07 18 10–36 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 13.6 µg/m³ 14.5 24h 1
2026-06-04 49 36–56 12.0 µg/m³ 12.3 24h 1
2026-06-03 54 35–69 13.6 µg/m³ 14.0 24h 1
2026-06-02 68 59–79 20.3 µg/m³ 21.1 24h 1
2026-06-01 71 64–81 21.4 µg/m³ 22.5 22h 1
2026-05-31 69 54–96 20.5 µg/m³ 22.5 24h 2
2026-05-30 72 61–82 22.2 µg/m³ 25.0 24h 2
2026-05-29 55 30–78 15.2 µg/m³ 16.0 24h 2
2026-05-28 53 41–60 13.5 µg/m³ 14.4 24h 2
2026-05-27 49 41–63 11.8 µg/m³ 12.8 24h 2
2026-05-26 51 41–62 12.7 µg/m³ 13.3 24h 1
2026-05-25 52 39–69 13.4 µg/m³ 14.7 24h 2
2026-05-24 67 58–160 20.0 µg/m³ 21.9 24h 2
2026-05-23 70 63–79 21.0 µg/m³ 22.3 24h 2
2026-05-22 81 64–103 26.1 µg/m³ 27.8 23h 1
2026-05-21 78 62–96 25.0 µg/m³ 26.8 24h 2
2026-05-20 45 5–66 12.4 µg/m³ 13.5 9h 2
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