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São Félix da Marinha (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
98.4%
Wind
5 m/s
Pressure
1012.3 hPa
Direction
166°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
12° / 15°
Precip.
51.6mm
Max wind
13.9 m/s

Hourly Forecast

01.02
Now
Weather
12°
1
01.02
07:00
Weather
12°
0.3
5
01.02
08:00
Weather
13°
6
01.02
09:00
Weather
14°
6
01.02
10:00
Weather
14°
6
01.02
11:00
Weather
14°
0.3
6
01.02
12:00
Weather
15°
5
01.02
13:00
Weather
15°
0.4
5
01.02
14:00
Weather
15°
6.1
6
01.02
15:00
Weather
14°
3.3
7
01.02
16:00
Weather
14°
2.6
8
01.02
17:00
Weather
14°
1
8
01.02
18:00
Weather
14°
0.6
8
01.02
19:00
Weather
14°
3.1
8
01.02
20:00
Weather
14°
2.3
10
01.02
21:00
Weather
14°
2.6
11
01.02
22:00
Weather
14°
1.6
12
01.02
23:00
Weather
14°
1.7
13
02.02
00:00
Weather
13°
2.5
12
02.02
01:00
Weather
13°
3.7
14
02.02
02:00
Weather
13°
6.5
13
02.02
03:00
Weather
12°
7.6
13
02.02
04:00
Weather
12°
1.2
10
02.02
05:00
Weather
12°
3.2
9

Temperature

15°C
12°C
06:00
12°C
07:00
12°C
08:00
13°C
09:00
14°C
10:00
14°C
11:00
14°C
12:00
15°C
13:00
15°C
14:00
15°C
15:00
14°C
16:00
14°C
17:00
14°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
13°C
01:00
13°C
02:00
13°C
03:00
12°C
04:00
12°C
05:00
12°C
06:00 17:00 05:00

Precipitation

7.6mm
0mm
06:00
1mm
07:00
0.3mm
11:00
0.3mm
13:00
0.4mm
14:00
6.1mm
15:00
3.3mm
16:00
2.6mm
17:00
1mm
18:00
0.6mm
19:00
3.1mm
20:00
2.3mm
21:00
2.6mm
22:00
1.6mm
23:00
1.7mm
00:00
2.5mm
01:00
3.7mm
02:00
6.5mm
03:00
7.6mm
04:00
1.2mm
05:00
3.2mm
06:00 17:00 05:00

Wind

13.9m/s
0m/s
06:00
4.7 m/s
07:00
5.4 m/s
08:00
6.3 m/s
09:00
5.8 m/s
10:00
6 m/s
11:00
5.5 m/s
12:00
5.4 m/s
13:00
5.1 m/s
14:00
6.2 m/s
15:00
7.4 m/s
16:00
7.6 m/s
17:00
7.9 m/s
18:00
8.4 m/s
19:00
8.3 m/s
20:00
9.7 m/s
21:00
10.5 m/s
22:00
11.7 m/s
23:00
12.6 m/s
00:00
12.3 m/s
01:00
13.9 m/s
02:00
12.9 m/s
03:00
13 m/s
04:00
9.5 m/s
05:00
9 m/s
06:00 17:00 05:00

Radiation

0.099 uSv
11.8 km
12.3%

Measurement time: 2026-02-01 00:00

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
33.6 km
88
29.3%

Measurement time: 2026-02-01 05:00

Calculated from PM2.5/PM10

O3
53.8 km
72.25 µg/m3
45.2%

Measurement time: 2026-02-01 06:18

source: OpenWeatherMap

PM2.5
33.6 km
30 µg/m3
35.7%

Measurement time: 2026-02-01 05:00

source: Aqicn

PM10
33.6 km
28 µg/m3
20%

Measurement time: 2026-02-01 05:00

source: Aqicn

NO2
53.8 km
1.72 µg/m3
0.9%

Measurement time: 2026-02-01 06:18

source: OpenWeatherMap

CO
53.8 km
0.11478 mg/m3
0.8%

Measurement time: 2026-02-01 06:18

source: OpenWeatherMap

SO2
53.8 km
0.45 µg/m3
0.1%

Measurement time: 2026-02-01 06:18

source: OpenWeatherMap

About Air Quality in São Félix da Marinha

Air quality in São Félix da Marinha 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 São Félix da Marinha

  • 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 São Félix da Marinha?

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 São Félix da Marinha

If you're planning outdoor activities in São Félix da Marinha, 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.