HomeHong KongChoi Wan › History

Air Quality History for Choi Wan, Hong Kong

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

38
Current AQI
Good Station

Air Quality Index Station

466h

PM2.5 Station

466h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 137 113–152 50.1 µg/m³ 57.2 9h 2
2026-08-07 54 29–104 14.6 µg/m³ 15.6 24h 2
2026-08-06 42 25–59 10.1 µg/m³ 10.7 24h 2
2026-08-05 58 34–70 15.7 µg/m³ 16.4 24h 2
2026-08-04 17 5–39 4.0 µg/m³ 4.3 24h 2
2026-08-03 15 1–44 3.6 µg/m³ 3.9 23h 2
2026-08-02 3 1–9 0.7 µg/m³ 1.2 23h 2
2026-08-01 5 1–10 1.2 µg/m³ 1.7 16h 1
2026-07-31 10 1–53 2.3 µg/m³ 2.3 22h 2
2026-07-30 35 1–54 8.5 µg/m³ 8.8 24h 2
2026-07-29 29 8–55 7.0 µg/m³ 7.6 24h 2
2026-07-28 7 1–19 1.7 µg/m³ 2.3 23h 2
2026-07-27 32 12–52 7.8 µg/m³ 8.6 24h 2
2026-07-26 35 15–59 8.5 µg/m³ 9.6 24h 2
2026-07-25 48 6–157 15.2 µg/m³ 17.4 24h 2
2026-07-24 60 52–89 16.4 µg/m³ 18.3 24h 2
2026-07-23 61 55–66 16.8 µg/m³ 18.2 24h 2
2026-07-22 60 50–74 16.5 µg/m³ 17.9 24h 2
2026-07-21 60 40–76 16.5 µg/m³ 18.6 24h 2
2026-07-20 61 28–77 17.5 µg/m³ 18.5 24h 1
2026-07-19 56 35–78 15.1 µg/m³ 16.8 14h 2
Back to Choi Wan Air Quality