Air Quality in Discovery Bay, Hong Kong

Rain
28.3°C · 83.5% humidity
28.3°
Feels 34.9°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
9 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
71 4am
72
75
58 7am
63
66
69 10am
71
72
73 1pm
73
74
74 4pm
74
75
75 7pm
92
92
92 10pm
92
92
92 1am
92
75
Station readings
71
72
75
CAMS model adj +9
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 Discovery Bay is 1.0× the WHO 24-hour guideline of 15 µg/m³.

83.5%
Humidity
18.4 km/h
Wind NNE
998.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
58
15.19 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Discovery Bay?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.515.19 µg/m³ ✓ WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (9 stations within 25 km)
15.19
Median
14.77
Average
10.3
Low
25.09
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +4.0

What is the 7-day forecast for Discovery Bay?

07-21
30.0° 28.3°
10.0 mm
07-22
31.7° 27.2°
16.81 mm
07-23
32.8° 27.8°
6.06 mm
07-24
29.1° 27.8°
2.88 mm
07-25
30.2° 27.5°
0.69 mm
07-26
30.6° 25.8°
14.56 mm
07-27
30.2° 24.7°
8.5 mm
Both models agree Avg diff: 1.1°C

Where are air quality stations near Discovery Bay?

58
Tung Chung, HongKong (東涌)
7.6 km PM2.5: 15.4 µg/m³
87
Tung Chung, HongKong (東涌)
7.6 km PM2.5: 29.2 µg/m³
63
Tung Chung, HongKong (東涌)
7.6 km PM2.5: 17.8 µg/m³
42
Tung Chung, HongKong (東涌)
7.6 km PM2.5: 10.1 µg/m³
71
Tuen Mun, HongKong (屯門)
10.9 km PM2.5: 21.6 µg/m³
55
Tuen Mun, HongKong (屯門)
10.9 km PM2.5: 14.0 µg/m³
80
Yung Shue Wan
12.8 km PM2.5: 25.9 µg/m³ PM10: 26.4 µg/m³
55
Tsuen Wan, HongKong (荃灣)
12.8 km PM2.5: 14.0 µg/m³
42
Tsuen Wan, HongKong (荃灣)
12.8 km PM2.5: 10.1 µg/m³
99
Tsuen Wan, HongKong (荃灣)
12.8 km PM2.5: 34.9 µg/m³

What cities are near Discovery Bay?

55 Tung Chung 55 San Tung Chung Hang 58 Sham Tseng 60 Sam Shing 63 Cheung Chau 58 Ting Kau 60 Butterfly 56 Tsing Yi Town 59 Mount Davis 61 Tuen Mun
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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 2026-07-21T23:44 UTC.