Air Quality in City One, Hong Kong

Cloudy
26.8°C · 89.9% humidity
26.8°
Feels 26.8°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
23 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
131 8am
134
37
40 11am
36
33
31 2pm
29
28
27 5pm
38
38
55 8pm
55
55
54 11pm
54
54
54 2am
54
37
37 5am
37
37
Station readings
131
134
CAMS model adj -29
83
83
66
54
54
54
54
54
54
54
66
66
83
83
84
83
83
83
83
83
66
66
66
66
AD 728×90

Air Quality Index Trend

46h · 2 stn
89.9%
Humidity
36.8 km/h
Wind WSW
1002.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
40
9.62 µg/m³
PM10
63
79.9 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.59.62 µg/m³ ✓ WHO
Good
PM1079.9 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
9.62
Median
11.9
Average
2.2
Low
32.1
High
PM2.5 µg/m³ · Model: 40.4 · Bias: +30.8
08-03
33.9° 26.8°
3.13 mm
08-04
33.1° 25.4°
3.31 mm
08-05
34.6° 26.0°
11.38 mm
08-06
30.1° 24.5°
19.25 mm
08-07
31.3° 23.9°
14.37 mm
08-08
29.7° 25.9°
6.5 mm
08-09
35.1° 23.9°
6.81 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 2026-08-08T03:06 UTC.