Air Quality in Cheung Chau, Hong Kong

Rain
28.5°C · 83.4% humidity
28.5°
Feels 35.3°
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
73 4am
74
77
63 7am
67
69
71 10am
73
74
74 1pm
75
75
75 4pm
76
76
76 7pm
93
93
93 10pm
93
93
93 1am
93
76
Station readings
73
74
77
CAMS model adj +10
54
54
66
66
66
66
66
66
66
66
66
66
66
66
66
66
83
83
83
83
83
83
83
66
AD 728×90

Air Quality Index Trend

47h · 2 stn

Current PM2.5 concentration in Cheung Chau is 1.2× the WHO 24-hour guideline of 15 µg/m³.

83.4%
Humidity
21.8 km/h
Wind NNW
998.7 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
63
17.74 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Cheung Chau?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.517.74 µg/m³ ×1.2 WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (8 stations within 25 km)
17.74
Median
14.87
Average
10.3
Low
25.09
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +1.5
Both models agree Avg diff: 1.1°C

Where are air quality stations near Cheung Chau?

80
Yung Shue Wan
8.8 km PM2.5: 25.9 µg/m³ PM10: 26.4 µg/m³
58
Tung Chung, HongKong (東涌)
12.3 km PM2.5: 15.4 µg/m³
42
Tung Chung, HongKong (東涌)
12.3 km PM2.5: 10.1 µg/m³
63
Tung Chung, HongKong (東涌)
12.3 km PM2.5: 17.8 µg/m³
87
Tung Chung, HongKong (東涌)
12.3 km PM2.5: 29.2 µg/m³
104
Southern, HongKong (南區)
14.2 km PM2.5: 36.7 µg/m³
26
Central/Western, HongKong (中西區)
14.5 km PM2.5: 6.2 µg/m³
54
Central/Western, HongKong (中西區)
14.5 km PM2.5: 13.5 µg/m³
33
Central/Western, HongKong (中西區)
14.5 km PM2.5: 7.9 µg/m³
61
Causeway Bay, HongKong (銅鑼灣)
17.9 km PM2.5: 16.9 µg/m³

What cities are near Cheung Chau?

58 Discovery Bay 55 San Tung Chung Hang 59 Mount Davis 60 Wah Fu 60 Pok Fu Lam 55 Tung Chung 59 South Horizons (Estate) 58 South Horizons 58 Tin Wan 57 Aberdeen
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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 2026-07-21T23:45 UTC.