Air Quality in Choi Wan, Hong Kong

Overcast
24.6°C · 92.8% humidity
24.6°
Feels 24.6°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
26 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
61 9pm
68
59
61 12am
58
58
58 3am
57
57
40 6am
40
40
28 9am
28
28
28 12pm
8
1
1 3pm
1
1
8 6pm
28
28
Station readings
61
68
59
42
CAMS model adj -26
83
83
84
84
84
84
84
83
83
66
66
66
54
54
54
54
34
27
27
27
27
34
54
54
AD 728×90

Air Quality Index Trend

48h · 2 stn

Current PM2.5 concentration in Choi Wan is 3.4× the WHO annual guideline of 5 µg/m³.

92.8%
Humidity
13.2 km/h
Wind ESE
1007.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
61
16.75 µg/m³
PM10▲
88
129.9 µg/m³
050100150200300500

What is the weather forecast for Choi Wan?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.516.75 µg/m³ ×1.1 WHO
Moderate
PM10129.9 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
Station readings (26 stations within 25 km)
16.75
Median
16.2
Average
9.6
Low
36.7
High
PM2.5 µg/m³ · Model: 40.85 · Bias: +24.1

What is the 7-day forecast for Choi Wan?

05-29
26.5° 24.4°
118.69 mm
05-30
32.4° 25.0°
0.31 mm
05-31
29.0° 24.2°
2.31 mm
06-01
28.1° 24.2°
06-02
28.4° 24.2°
06-03
30.6° 24.9°
2.75 mm
06-04
28.5° 25.4°
0.44 mm
Both models agree Avg diff: 2.2°C

Where are air quality stations near Choi Wan?

59
Kwun Tong, HongKong (觀塘)
2.5 km PM2.5: 15.9 µg/m³
25
Kwun Tong, HongKong (觀塘)
2.5 km PM2.5: 6.0 µg/m³
73
Mong Kok, HongKong (旺角)
4.8 km PM2.5: 22.6 µg/m³
82
Mong Kok, HongKong (旺角)
4.8 km PM2.5: 26.8 µg/m³
85
Mong Kok, HongKong (旺角)
4.8 km PM2.5: 28.3 µg/m³
132
Tseung Kwan O, HongKong (將軍澳)
4.9 km PM2.5: 48.1 µg/m³
42
Tseung Kwan O, HongKong (將軍澳)
4.9 km PM2.5: 10.1 µg/m³
39
North Point, Hong Kong (北角)
5.1 km 31.7°C 79.0% RH PM2.5: 9.3 µg/m³ PM10: 9.7 µg/m³
70
Sha Tin, HongKong (沙田)
5.6 km PM2.5: 21.1 µg/m³
70
Sha Tin, HongKong (沙田)
5.6 km PM2.5: 21.1 µg/m³

What cities are near Choi Wan?

61 Choi Wan Estate (I & II) 61 Choi Hung Estate 61 Tak Long Estate 61 San Po Kong 62 Kai Tak 61 Lower Wong Tai Sin Estate (I & II) 62 Tung Tau Estate 62 Kowloon City 60 Tsz Ching Estate 60 Chuk Yuen
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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 2026-05-29T16:43 UTC.