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

Windy
28.5°C · 61.1% humidity
28.5°
Feels 32.4°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
18 stations

Nearby Monitoring Stations

AQI Forecast
74 8am
90
95
— 11am
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Station readings
74
90
95

Air Quality Index Trend

47h · 2 stn

Current PM2.5 concentration in Choi Wan Estate (I & II) is 1.4× the WHO 24-hour guideline of 15 µg/m³.

61.1%
Humidity
42.2 km/h
Wind ESE
1013.9 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
68
20.44 µg/m³
PM10▲
126
204.9 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.520.44 µg/m³ ×1.4 WHO
Moderate
PM10204.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.0
Low
Station readings (18 stations within 25 km)
20.44
Median
23.22
Average
7.4
Low
71.0
High
PM2.5 µg/m³ · Model: 53.7 · Bias: +33.3

What is the 7-day forecast for Choi Wan Estate (I & II)?

10-21
28.5° 23.9°
0.25 mm
10-22
27.8° 24.2°
10-23
26.3° 23.1°
0.62 mm
10-24
25.3° 22.8°
0.13 mm
10-25
29.9° 22.5°
0.19 mm
10-26
26.5° 21.9°
0.06 mm
10-27
27.2° 20.0°
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
58
Kwun Tong, HongKong (觀塘)
2.5 km PM2.5: 15.4 µg/m³
104
Mong Kok, HongKong (旺角)
4.8 km PM2.5: 36.7 µg/m³
52
Mong Kok, HongKong (旺角)
4.8 km PM2.5: 12.6 µg/m³
57
Tseung Kwan O, HongKong (將軍澳)
4.9 km PM2.5: 15.0 µg/m³
96
North Point, Hong Kong (北角)
5.0 km 32.8°C 85.0% RH PM2.5: 33.5 µg/m³ PM10: 37.2 µg/m³
67
Sham Shui Po, HongKong (深水埗)
5.6 km PM2.5: 19.7 µg/m³
59
Sham Shui Po, HongKong (深水埗)
5.6 km PM2.5: 15.9 µg/m³
54
Sha Tin, HongKong (沙田)
5.6 km PM2.5: 13.5 µg/m³
41
Sha Tin, HongKong (沙田)
5.6 km PM2.5: 9.8 µg/m³

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

68 Choi Wan 72 Choi Hung Estate 72 Tak Long Estate 75 San Po Kong 75 Kai Tak 75 Lower Wong Tai Sin Estate (I & II) 77 Tung Tau Estate 78 Kowloon City 71 Tsz Ching Estate 79 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 2026-10-21T03:12 UTC.