Air Quality in Kwai Chung, Hong Kong

Rain
31.8°C · 68.9% humidity
31.8°
Feels 38.5°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
36 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
61 9am
58
56
62 12pm
64
64
64 3pm
64
64
64 6pm
64
81
81 9pm
81
81
81 12am
81
81
64 3am
64
64
64 6am
81
64
Station readings
61
58
56
CAMS model adj -2
66
66
66
66
66
66
66
66
66
66
66
83
83
83
83
83
83
83
66
66
66
66
83
66
AD 728×90

Air Quality Index Trend

47h · 2 stn

Current PM2.5 concentration in Kwai Chung is 1.1× the WHO 24-hour guideline of 15 µg/m³.

68.9%
Humidity
23.2 km/h
Wind SE
997.6 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
62
17.11 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.517.11 µg/m³ ×1.1 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
17.11
Median
16.1
Average
3.8
Low
32.5
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +2.1
07-22
31.8° 26.4°
22.56 mm
07-23
34.2° 25.4°
16.37 mm
07-24
29.3° 26.5°
0.94 mm
07-25
33.2° 26.1°
0.25 mm
07-26
32.6° 25.7°
9.06 mm
07-27
30.2° 23.1°
16.88 mm
07-28
28.7° 26.3°
5.19 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 2026-07-22T04:04 UTC.