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Air Quality History for Butterfly, Hong Kong

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

46
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 86 74–91 28.8 µg/m³ 31.2 4h 2
2026-10-20 55 30–75 15.1 µg/m³ 15.9 24h 2
2026-10-19 65 31–84 19.3 µg/m³ 20.3 24h 2
2026-10-18 50 32–89 13.0 µg/m³ 14.0 24h 2
2026-10-17 60 43–78 16.4 µg/m³ 17.3 24h 2
2026-10-16 84 61–98 28.0 µg/m³ 30.7 24h 2
2026-10-15 99 84–120 34.4 µg/m³ 39.0 24h 2
2026-10-14 114 94–141 41.0 µg/m³ 47.7 24h 2
2026-10-13 131 102–152 47.5 µg/m³ 55.0 24h 2
2026-10-12 96 89–106 33.2 µg/m³ 36.8 24h 2
2026-10-11 84 73–96 28.0 µg/m³ 30.1 24h 2
2026-10-10 81 73–95 26.4 µg/m³ 28.1 24h 2
2026-10-09 61 55–74 16.8 µg/m³ 17.7 24h 2
2026-10-08 63 33–97 18.3 µg/m³ 19.7 24h 2
2026-10-07 83 77–88 27.5 µg/m³ 29.6 19h 2
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