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Valenza (Viana do Castelo) (PT)

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

Light rain
12°C
Light rain
Humidity
97.7%
Wind
5 m/s
Pressure
1021.7 hPa
Direction
191°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
11° / 12°
Precip.
8.8mm
Max wind
8 m/s

Hourly Forecast

11.01
Now
Weather
12°
0.2
5
11.01
18:00
Weather
11°
0.1
5
11.01
19:00
Weather
12°
0.2
5
11.01
20:00
Weather
12°
0.4
5
11.01
21:00
Weather
12°
0.5
5
11.01
22:00
Weather
11°
0.5
6
11.01
23:00
Weather
11°
0.5
6
12.01
00:00
Weather
11°
0.4
6
12.01
01:00
Weather
11°
0.4
6
12.01
02:00
Weather
11°
0.5
6
12.01
03:00
Weather
11°
0.6
6
12.01
04:00
Weather
11°
0.7
7
12.01
05:00
Weather
11°
0.8
7
12.01
06:00
Weather
11°
0.4
7
12.01
07:00
Weather
11°
0.3
7
12.01
08:00
Weather
11°
0.3
7
12.01
09:00
Weather
11°
0.4
7
12.01
10:00
Weather
11°
0.3
8
12.01
11:00
Weather
11°
0.4
8
12.01
12:00
Weather
11°
0.3
8
12.01
13:00
Weather
11°
0.2
8
12.01
14:00
Weather
11°
7
12.01
15:00
Weather
12°
7
12.01
16:00
Weather
12°
0.4
7

Temperature

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

Precipitation

0.8mm
0mm
17:00
0.2mm
18:00
0.1mm
19:00
0.2mm
20:00
0.4mm
21:00
0.5mm
22:00
0.5mm
23:00
0.5mm
00:00
0.4mm
01:00
0.4mm
02:00
0.5mm
03:00
0.6mm
04:00
0.7mm
05:00
0.8mm
06:00
0.4mm
07:00
0.3mm
08:00
0.3mm
09:00
0.4mm
10:00
0.3mm
11:00
0.4mm
12:00
0.3mm
13:00
0.2mm
16:00
0.4mm
17:00 04:00 16:00

Wind

8m/s
0m/s
17:00
5.4 m/s
18:00
5.2 m/s
19:00
5.2 m/s
20:00
5.4 m/s
21:00
5.4 m/s
22:00
5.6 m/s
23:00
6.1 m/s
00:00
5.8 m/s
01:00
5.9 m/s
02:00
6.4 m/s
03:00
6.2 m/s
04:00
7 m/s
05:00
6.8 m/s
06:00
7.2 m/s
07:00
7.3 m/s
08:00
7.1 m/s
09:00
7.2 m/s
10:00
8 m/s
11:00
7.8 m/s
12:00
7.8 m/s
13:00
7.9 m/s
14:00
7.4 m/s
15:00
7.1 m/s
16:00
7.3 m/s
17:00 04:00 16:00

Radiation

0.119 uSv
2.9 km
14.9%

source: remap_europe

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
97.5 km
69
23%

Calculated from PM2.5/PM10

PM2.5
97.5 km
21 µg/m3
25%

source: Aqicn

O3
97.5 km
22.8 µg/m3
14.3%

source: Aqicn

PM10
97.5 km
17 µg/m3
12.1%

source: Aqicn

NO2
97.5 km
3.2 µg/m3
1.6%

source: Aqicn

Info


Country: Portugal
Latitude: 42.02418
Longitude: -8.63474


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About Air Quality in Valenza

Air quality in Valenza 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 Valenza

  • 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 Valenza?

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 Valenza

If you're planning outdoor activities in Valenza, 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.