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Air Quality History for Tsz Wan Shan, Hong Kong

Historical PM2.5 and AQI trend from monitoring stations near Tsz Wan Shan, 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 30–77 15.0 µg/m³ 15.8 22h 2
2026-05-28 54 42–60 13.6 µg/m³ 14.5 24h 2
2026-05-27 50 42–61 12.0 µg/m³ 13.0 24h 2
2026-05-26 51 43–62 12.7 µg/m³ 13.3 24h 1
2026-05-25 53 41–69 13.8 µg/m³ 15.0 24h 2
2026-05-24 68 59–157 20.5 µg/m³ 22.4 24h 2
2026-05-23 72 64–80 21.9 µg/m³ 23.2 24h 2
2026-05-22 82 64–103 26.6 µg/m³ 28.4 23h 1
2026-05-21 80 66–96 25.7 µg/m³ 27.6 24h 2
2026-05-20 49 7–81 13.2 µg/m³ 14.3 24h 2
2026-05-19 41 9–71 10.8 µg/m³ 12.0 24h 2
2026-05-18 44 17–61 10.9 µg/m³ 12.9 24h 2
2026-05-17 36 26–49 8.6 µg/m³ 9.7 24h 1
2026-05-16 34 15–56 8.2 µg/m³ 9.5 24h 2
2026-05-15 19 2–56 4.6 µg/m³ 5.5 24h 2
2026-05-14 24 5–49 5.7 µg/m³ 6.2 24h 1
2026-05-13 30 23–43 7.3 µg/m³ 7.9 24h 2
2026-05-12 60 26–77 17.0 µg/m³ 18.5 24h 2
2026-05-11 94 78–137 32.5 µg/m³ 35.4 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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