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Yuen Long Kau Hui (Yuen Long) (HK)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Clear sky
24°C
Clear sky
Humidity
36.4%
Wind
3 m/s
Pressure
1016.2 hPa
Direction
227°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
14° / 24°
Precip.
0mm
Max wind
5.9 m/s

Hourly Forecast

13.01
Now
Weather
24°
13.01
09:00
Weather
22°
13.01
10:00
Weather
20°
13.01
11:00
Weather
18°
13.01
12:00
Weather
17°
13.01
13:00
Weather
17°
13.01
14:00
Weather
16°
13.01
15:00
Weather
15°
13.01
16:00
Weather
15°
13.01
17:00
Weather
15°
13.01
18:00
Weather
14°
13.01
19:00
Weather
14°
13.01
20:00
Weather
14°
13.01
21:00
Weather
14°
13.01
22:00
Weather
14°
13.01
23:00
Weather
14°
14.01
00:00
Weather
15°
14.01
01:00
Weather
17°
14.01
02:00
Weather
19°
14.01
03:00
Weather
21°
6
14.01
04:00
Weather
21°
6
14.01
05:00
Weather
21°
5
14.01
06:00
Weather
21°
14.01
07:00
Weather
22°

Temperature

24°C
14°C
08:00
24°C
09:00
22°C
10:00
20°C
11:00
18°C
12:00
17°C
13:00
17°C
14:00
16°C
15:00
15°C
16:00
15°C
17:00
15°C
18:00
14°C
19:00
14°C
20:00
14°C
21:00
14°C
22:00
14°C
23:00
14°C
00:00
15°C
01:00
17°C
02:00
19°C
03:00
21°C
04:00
21°C
05:00
21°C
06:00
21°C
07:00
22°C
08:00 19:00 07:00

Precipitation

0mm
0mm
08:00 19:00 07:00

Wind

5.9m/s
0m/s
08:00
3.4 m/s
09:00
3.5 m/s
10:00
3.7 m/s
11:00
3.4 m/s
12:00
3.2 m/s
13:00
2.6 m/s
14:00
2.8 m/s
15:00
2.6 m/s
16:00
2.5 m/s
17:00
2.4 m/s
18:00
2.5 m/s
19:00
2.9 m/s
20:00
3.3 m/s
21:00
3.5 m/s
22:00
3.7 m/s
23:00
3.8 m/s
00:00
3.9 m/s
01:00
3.8 m/s
02:00
4.7 m/s
03:00
5.8 m/s
04:00
5.9 m/s
05:00
5.1 m/s
06:00
4.2 m/s
07:00
3.5 m/s
08:00 19:00 07:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
10.7 km
211
70.3%

Calculated from PM2.5/PM10

PM2.5
10.7 km
161 µg/m3
191.7%

source: Aqicn

O3
10.7 km
113.1 µg/m3
70.7%

source: Aqicn

PM10
10.7 km
82 µg/m3
58.6%

source: Aqicn

NO2
23.7 km
100.7 µg/m3
50.4%

source: Aqicn

SO2
23.7 km
6.6 µg/m3
1.9%

source: Aqicn

CO
23.7 km
0.0074 mg/m3
0.1%

source: Aqicn

Info


Region: Yuen Long
Latitude: 22.45
Longitude: 114.03333

Cities in the area:


Solar Energy

Very low
23 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Yuen Long Kau Hui

About Air Quality in Yuen Long Kau Hui

Air quality in Yuen Long Kau Hui is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Yuen Long Kau Hui

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Yuen Long Kau Hui?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Yuen Long Kau Hui

If you're planning outdoor activities in Yuen Long Kau Hui, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.