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Wong Tai Sin (Wong Tai Sin) (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
18°C
Clear sky
Humidity
50.8%
Wind
5 m/s
Pressure
1026 hPa
Direction
34°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
12° / 21°
Precip.
0mm
Max wind
8.9 m/s

Hourly Forecast

02.02
Now
Weather
18°
02.02
04:00
Weather
20°
02.02
05:00
Weather
21°
02.02
06:00
Weather
21°
02.02
07:00
Weather
21°
02.02
08:00
Weather
21°
02.02
09:00
Weather
20°
02.02
10:00
Weather
17°
02.02
11:00
Weather
15°
02.02
12:00
Weather
14°
02.02
13:00
Weather
14°
02.02
14:00
Weather
13°
02.02
15:00
Weather
13°
6
02.02
16:00
Weather
14°
6
02.02
17:00
Weather
14°
7
02.02
18:00
Weather
14°
7
02.02
19:00
Weather
13°
7
02.02
20:00
Weather
13°
7
02.02
21:00
Weather
12°
7
02.02
22:00
Weather
13°
8
02.02
23:00
Weather
13°
8
03.02
00:00
Weather
14°
9
03.02
01:00
Weather
16°
9
03.02
02:00
Weather
17°
9

Temperature

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

Precipitation

0mm
0mm
03:00 14:00 02:00

Wind

8.9m/s
0m/s
03:00
4.6 m/s
04:00
4.2 m/s
05:00
4.1 m/s
06:00
3.9 m/s
07:00
4 m/s
08:00
4.1 m/s
09:00
3.8 m/s
10:00
3.2 m/s
11:00
3.1 m/s
12:00
3.5 m/s
13:00
4.1 m/s
14:00
4.3 m/s
15:00
5.6 m/s
16:00
6.4 m/s
17:00
6.5 m/s
18:00
6.7 m/s
19:00
7 m/s
20:00
7.2 m/s
21:00
7.4 m/s
22:00
8 m/s
23:00
8.2 m/s
00:00
8.6 m/s
01:00
8.7 m/s
02:00
8.9 m/s
03:00 14:00 02:00

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
22 km
168
56%

Measurement time: 2026-02-02 03:00

Calculated from PM2.5/PM10

PM2.5
22 km
89 µg/m3
106%

Measurement time: 2026-02-02 03:00

source: Aqicn

PM10
22 km
53 µg/m3
37.9%

Measurement time: 2026-02-02 03:00

source: Aqicn

NO2
11.6 km
31.5 µg/m3
15.8%

Measurement time: 2026-02-02 04:00

source: Aqicn

O3
22 km
22.8 µg/m3
14.3%

Measurement time: 2026-02-02 03:00

source: Aqicn

SO2
22 km
4.6 µg/m3
1.3%

Measurement time: 2026-02-02 03:00

source: Aqicn

CO
22 km
0.01 mg/m3
0.1%

Measurement time: 2026-02-02 03:00

source: Aqicn

Info


Latitude: 22.35
Longitude: 114.18333


Solar Energy

Good
768.7 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Wong Tai Sin

About Air Quality in Wong Tai Sin

Air quality in Wong Tai Sin 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 Wong Tai Sin

  • 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 Wong Tai Sin?

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 Wong Tai Sin

If you're planning outdoor activities in Wong Tai Sin, 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.