Air Quality in Yuen Long Kau Hui, Hong Kong

Rain
28.3°C · 83.5% humidity
28.3°
Feels 34.9°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
27 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
67 2am
71
71
55 5am
69
69
69 8am
69
69
69 11am
69
69
69 2pm
69
69
69 5pm
69
69
86 8pm
86
86
86 11pm
86
86
Station readings
67
71
71
CAMS model adj +3
66
66
54
54
66
66
66
66
66
66
66
66
66
66
66
66
66
66
83
83
83
83
83
83
AD 728×90

Air Quality Index Trend

47h · 3 stn
83.5%
Humidity
18.4 km/h
Wind NNE
998.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
55
13.88 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.513.88 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
13.88
Median
16.54
Average
2.2
Low
39.2
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +2.5
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
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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 2026-07-21T21:36 UTC.