Air Quality in San Tung Chung Hang, Hong Kong

Rain
28.3°C · 83.5% humidity
28.3°
Feels 34.9°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
78 3am
66
66
53 6am
60
65
69 9am
71
73
75 12pm
76
76
77 3pm
77
77
78 6pm
78
95
95 9pm
95
95
95 12am
95
95
Station readings
73
75
77
80
CAMS model adj +12
66
54
54
66
66
66
66
66
66
66
66
66
66
66
66
66
66
83
83
83
83
83
83
83
AD 728×90

Air Quality Index Trend

48h · 1 stn
83.5%
Humidity
18.4 km/h
Wind NNE
998.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
53
13.1 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.513.1 µg/m³ ✓ WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
13.1
Median
16.52
Average
11.5
Low
38.3
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +6.1
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 2026-07-21T22:41 UTC.