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Alfena (Porto) (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

Heavy rain
12°C
Heavy rain
Humidity
89.5%
Wind
5 m/s
Pressure
1008.4 hPa
Direction
196°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
8° / 12°
Precip.
13.8mm
Max wind
5.4 m/s

Hourly Forecast

13.01
Now
Weather
12°
1
5
13.01
13:00
Weather
12°
3
5
13.01
14:00
Weather
11°
0.3
5
13.01
15:00
Weather
12°
3.9
13.01
16:00
Weather
11°
1.9
13.01
17:00
Weather
10°
13.01
18:00
Weather
0.2
13.01
19:00
Weather
13.01
20:00
Weather
13.01
21:00
Weather
1.2
13.01
22:00
Weather
0.5
13.01
23:00
Weather
0.2
14.01
00:00
Weather
0.4
14.01
01:00
Weather
0.2
14.01
02:00
Weather
0.1
14.01
03:00
Weather
0.1
14.01
04:00
Weather
0.8
14.01
05:00
Weather
14.01
06:00
Weather
14.01
07:00
Weather
14.01
08:00
Weather
14.01
09:00
Weather
14.01
10:00
Weather
10°
14.01
11:00
Weather
11°

Temperature

12°C
8°C
12:00
12°C
13:00
12°C
14:00
11°C
15:00
12°C
16:00
11°C
17:00
10°C
18:00
9°C
19:00
9°C
20:00
9°C
21:00
9°C
22:00
9°C
23:00
9°C
00:00
9°C
01:00
9°C
02:00
9°C
03:00
9°C
04:00
9°C
05:00
8°C
06:00
8°C
07:00
8°C
08:00
8°C
09:00
9°C
10:00
10°C
11:00
11°C
12:00 23:00 11:00

Precipitation

3.9mm
0mm
12:00
1mm
13:00
3mm
14:00
0.3mm
15:00
3.9mm
16:00
1.9mm
18:00
0.2mm
21:00
1.2mm
22:00
0.5mm
23:00
0.2mm
00:00
0.4mm
01:00
0.2mm
02:00
0.1mm
03:00
0.1mm
04:00
0.8mm
12:00 23:00 11:00

Wind

5.4m/s
0m/s
12:00
5.3 m/s
13:00
5.4 m/s
14:00
5.2 m/s
15:00
4.1 m/s
16:00
3.9 m/s
17:00
3.7 m/s
18:00
3.2 m/s
19:00
3.9 m/s
20:00
4.2 m/s
21:00
4.1 m/s
22:00
3.9 m/s
23:00
4 m/s
00:00
4 m/s
01:00
3.6 m/s
02:00
4.2 m/s
03:00
4.1 m/s
04:00
3.9 m/s
05:00
3.3 m/s
06:00
2.9 m/s
07:00
2.6 m/s
08:00
2.1 m/s
09:00
1.8 m/s
10:00
2.8 m/s
11:00
2.4 m/s
12:00 23:00 11:00

Radiation

0.1 uSv
12.5 km
12.5%

source: remap_europe

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Info


Country: Portugal
Region: Porto
Latitude: 41.23671
Longitude: -8.52454


Solar Energy

Low
230.2 W/m²
Solar Radiation
Solar Calculator
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About Air Quality in Alfena

Air quality in Alfena 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 Alfena

  • 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 Alfena?

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 Alfena

If you're planning outdoor activities in Alfena, 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.