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Marinhais (Santarém) (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

Cloudy
16°C
Cloudy
Humidity
82.7%
Wind
6 m/s
Pressure
1007.7 hPa
Direction
208°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
13° / 20°
Precip.
25mm
Max wind
7.3 m/s

Hourly Forecast

17.03
Now
Weather
16°
6
17.03
20:00
Weather
16°
0.3
6
17.03
21:00
Weather
15°
1.1
17.03
22:00
Weather
14°
2.6
17.03
23:00
Weather
14°
3.3
18.03
00:00
Weather
13°
3.1
18.03
01:00
Weather
13°
4.4
18.03
02:00
Weather
13°
1.4
18.03
03:00
Weather
13°
0.2
5
18.03
04:00
Weather
13°
6
18.03
05:00
Weather
13°
18.03
06:00
Weather
13°
18.03
07:00
Weather
13°
0.7
5
18.03
08:00
Weather
13°
0.1
6
18.03
09:00
Weather
14°
7
18.03
10:00
Weather
16°
7
18.03
11:00
Weather
17°
7
18.03
12:00
Weather
19°
0.3
7
18.03
13:00
Weather
18°
0.1
7
18.03
14:00
Weather
20°
3
7
18.03
15:00
Weather
17°
1.5
7
18.03
16:00
Weather
17°
2.2
6
18.03
17:00
Weather
17°
0.7
6
18.03
18:00
Weather
16°
6

Temperature

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

Precipitation

4.4mm
0mm
20:00
0.3mm
21:00
1.1mm
22:00
2.6mm
23:00
3.3mm
00:00
3.1mm
01:00
4.4mm
02:00
1.4mm
03:00
0.2mm
07:00
0.7mm
08:00
0.1mm
12:00
0.3mm
13:00
0.1mm
14:00
3mm
15:00
1.5mm
16:00
2.2mm
17:00
0.7mm
19:00 06:00 18:00

Wind

7.3m/s
0m/s
19:00
6 m/s
20:00
5.5 m/s
21:00
4.4 m/s
22:00
4.9 m/s
23:00
4.7 m/s
00:00
4.3 m/s
01:00
4.4 m/s
02:00
4.4 m/s
03:00
5.1 m/s
04:00
5.5 m/s
05:00
4.9 m/s
06:00
4.4 m/s
07:00
5.2 m/s
08:00
6.2 m/s
09:00
6.8 m/s
10:00
7 m/s
11:00
7.3 m/s
12:00
7.3 m/s
13:00
6.6 m/s
14:00
6.8 m/s
15:00
7 m/s
16:00
6.1 m/s
17:00
6.1 m/s
18:00
5.9 m/s
19:00 06:00 18:00

Radiation

0.057 uSv
47.5 km
7.1%

Measurement time: 2026-03-17 13:00

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
45.8 km
78
26%

Measurement time: 2026-03-17 18:00

Calculated from PM2.5/PM10

PM2.5
45.8 km
25 µg/m3
29.8%

Measurement time: 2026-03-17 18:00

source: Aqicn

O3
45.8 km
37 µg/m3
23.1%

Measurement time: 2026-03-17 18:00

source: Aqicn

PM10
51 km
11 µg/m3
7.9%

Measurement time: 2026-03-17 18:00

source: Aqicn

NO2
51 km
14.2 µg/m3
7.1%

Measurement time: 2026-03-17 18:00

source: Aqicn

SO2
45.8 km
1.1 µg/m3
0.3%

Measurement time: 2026-03-17 18:00

source: Aqicn

Info


Country: Portugal
Region: Santarém
Latitude: 39.0473
Longitude: -8.70236


Solar Energy

Night
0 W/m²
Solar Radiation
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About Air Quality in Marinhais

Air quality in Marinhais 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 Marinhais

  • 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 Marinhais?

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 Marinhais

If you're planning outdoor activities in Marinhais, 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.