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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.

49
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

451h

PM2.5 Station

451h · 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 55 30–78 15.1 µg/m³ 15.9 22h 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 47 5–83 12.7 µg/m³ 13.8 24h 2
2026-05-19 41 8–71 10.6 µg/m³ 11.8 24h 2
2026-05-18 44 17–62 11.1 µg/m³ 13.1 24h 2
2026-05-17 36 26–49 8.6 µg/m³ 9.7 24h 1
2026-05-16 33 15–53 8.0 µg/m³ 9.5 24h 2
2026-05-15 19 2–56 4.6 µg/m³ 5.5 24h 2
2026-05-14 23 5–49 5.6 µg/m³ 6.2 24h 1
2026-05-13 30 22–45 7.2 µg/m³ 7.8 24h 2
2026-05-12 61 25–79 17.4 µg/m³ 19.0 24h 2
2026-05-11 94 76–137 32.5 µg/m³ 35.3 16h 1
2026-05-10 74 59–82 23.0 µg/m³ 26.3 4h 1
2026-05-09 61 60–62 16.9 µg/m³ 18.9 2h 1
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