Air Quality in Choi Wan Estate (I & II), Hong Kong

Drizzle
24.7°C · 85.3% humidity
24.7°
Feels 24.7°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
15 stations

Nearby Monitoring Stations

AQI Forecast
63 7am
74
90
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Station readings
63
74
90

Air Quality Index Trend

47h · 2 stn

Current PM2.5 concentration in Choi Wan Estate (I & II) is 1.1× the WHO 24-hour guideline of 15 µg/m³.

85.3%
Humidity
36.0 km/h
Wind E
1015.1 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
62
17.22 µg/m³
PM10▲
101
154.9 µg/m³
050100150200300500

What is the weather forecast for Choi Wan Estate (I & II)?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.517.22 µg/m³ ×1.1 WHO
Moderate
PM10154.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.0
Low
Station readings (15 stations within 25 km)
17.22
Median
18.4
Average
5.8
Low
61.3
High
PM2.5 µg/m³ · Model: 28.0 · Bias: +10.8
Both models agree Avg diff: 1.9°C

Where are air quality stations near Choi Wan Estate (I & II)?

48
Kwun Tong, HongKong (觀塘)
2.5 km PM2.5: 11.5 µg/m³
52
Kwun Tong, HongKong (觀塘)
2.5 km PM2.5: 12.6 µg/m³
51
Mong Kok, HongKong (旺角)
4.8 km PM2.5: 12.1 µg/m³
57
Mong Kok, HongKong (旺角)
4.8 km PM2.5: 15.0 µg/m³
52
Mong Kok, HongKong (旺角)
4.8 km PM2.5: 12.6 µg/m³
59
Tseung Kwan O, HongKong (將軍澳)
4.9 km PM2.5: 15.9 µg/m³
55
Tseung Kwan O, HongKong (將軍澳)
4.9 km PM2.5: 14.0 µg/m³
90
North Point, Hong Kong (北角)
5.0 km 31.7°C 93.0% RH PM2.5: 30.7 µg/m³ PM10: 34.8 µg/m³
59
Sham Shui Po, HongKong (深水埗)
5.6 km PM2.5: 15.9 µg/m³
59
Sham Shui Po, HongKong (深水埗)
5.6 km PM2.5: 15.9 µg/m³

What cities are near Choi Wan Estate (I & II)?

62 Choi Wan 63 Choi Hung Estate 64 Tak Long Estate 64 San Po Kong 66 Kai Tak 63 Lower Wong Tai Sin Estate (I & II) 64 Tung Tau Estate 64 Kowloon City 61 Tsz Ching Estate 66 Sung Wong Toi
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T02:32 UTC.