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Air Quality History for Butterfly, Hong Kong

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

61
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 57 30–75 15.3 µg/m³ 15.9 19h 2
2026-05-28 55 45–60 14.2 µg/m³ 14.9 24h 2
2026-05-27 52 46–57 12.9 µg/m³ 13.6 24h 2
2026-05-26 52 43–62 12.9 µg/m³ 13.5 24h 1
2026-05-25 58 47–73 15.5 µg/m³ 16.4 24h 2
2026-05-24 73 64–133 22.6 µg/m³ 24.0 24h 2
2026-05-23 78 66–87 25.0 µg/m³ 26.4 24h 2
2026-05-22 85 64–103 28.2 µg/m³ 30.5 23h 1
2026-05-21 85 79–96 28.3 µg/m³ 30.4 24h 2
2026-05-20 54 13–77 15.1 µg/m³ 16.1 24h 2
2026-05-19 44 13–78 11.7 µg/m³ 12.6 24h 2
2026-05-18 43 16–57 10.4 µg/m³ 11.9 24h 2
2026-05-17 36 26–49 8.6 µg/m³ 9.7 24h 1
2026-05-16 35 15–68 8.6 µg/m³ 9.6 24h 2
2026-05-15 19 3–56 4.7 µg/m³ 5.4 24h 2
2026-05-14 24 5–49 5.8 µg/m³ 6.2 24h 1
2026-05-13 33 26–46 7.9 µg/m³ 8.4 24h 2
2026-05-12 57 29–73 15.7 µg/m³ 16.6 24h 2
2026-05-11 95 83–137 32.7 µg/m³ 35.4 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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