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Sesimbra (Setúbal) (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

Rain
15°C
Rain
Humidity
90.8%
Wind
15 m/s
Pressure
997.3 hPa
Direction
281°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
15° / 16°
Precip.
45.5mm
Max wind
17.9 m/s

Hourly Forecast

04.02
Now
Weather
15°
0.4
15
04.02
04:00
Weather
15°
0.6
14
04.02
05:00
Weather
15°
2.2
11
04.02
06:00
Weather
15°
3.5
10
04.02
07:00
Weather
15°
3.7
12
04.02
08:00
Weather
15°
3.3
11
04.02
09:00
Weather
15°
0.1
13
04.02
10:00
Weather
15°
0.5
11
04.02
11:00
Weather
15°
0.9
11
04.02
12:00
Weather
15°
2
9
04.02
13:00
Weather
15°
9.1
8
04.02
14:00
Weather
15°
5.2
16
04.02
15:00
Weather
15°
0.8
18
04.02
16:00
Weather
16°
0.8
15
04.02
17:00
Weather
16°
1.2
14
04.02
18:00
Weather
16°
1.3
13
04.02
19:00
Weather
15°
1.6
13
04.02
20:00
Weather
16°
0.4
12
04.02
21:00
Weather
15°
1.4
12
04.02
22:00
Weather
15°
3.3
10
04.02
23:00
Weather
15°
1.9
13
05.02
00:00
Weather
16°
0.5
15
05.02
01:00
Weather
16°
0.8
16
05.02
02:00
Weather
16°
18

Temperature

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

Precipitation

9.1mm
0mm
03:00
0.4mm
04:00
0.6mm
05:00
2.2mm
06:00
3.5mm
07:00
3.7mm
08:00
3.3mm
09:00
0.1mm
10:00
0.5mm
11:00
0.9mm
12:00
2mm
13:00
9.1mm
14:00
5.2mm
15:00
0.8mm
16:00
0.8mm
17:00
1.2mm
18:00
1.3mm
19:00
1.6mm
20:00
0.4mm
21:00
1.4mm
22:00
3.3mm
23:00
1.9mm
00:00
0.5mm
01:00
0.8mm
03:00 14:00 02:00

Wind

17.9m/s
0m/s
03:00
15.3 m/s
04:00
13.6 m/s
05:00
10.5 m/s
06:00
9.5 m/s
07:00
12.2 m/s
08:00
11.2 m/s
09:00
13.4 m/s
10:00
11.3 m/s
11:00
10.7 m/s
12:00
9.1 m/s
13:00
8.4 m/s
14:00
15.9 m/s
15:00
17.5 m/s
16:00
15.1 m/s
17:00
13.9 m/s
18:00
13.2 m/s
19:00
12.5 m/s
20:00
12.1 m/s
21:00
11.6 m/s
22:00
10.1 m/s
23:00
12.8 m/s
00:00
15.4 m/s
01:00
16.4 m/s
02:00
17.9 m/s
03:00 14:00 02:00

Radiation

0.053 uSv
37.4 km
6.7%

Measurement time: 2026-02-03 21:00

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
19.3 km
29
9.7%

Measurement time: 2026-02-04 04:29

Calculated from PM2.5/PM10

O3
19.3 km
84.61 µg/m3
52.9%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

PM2.5
19.3 km
6.98 µg/m3
8.3%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

PM10
19.3 km
11.33 µg/m3
8.1%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

CO
19.3 km
0.11525 mg/m3
0.8%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

NO2
19.3 km
0.7 µg/m3
0.4%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

SO2
19.3 km
0.29 µg/m3
0.1%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

Info


Country: Portugal
Region: Setúbal
Latitude: 38.44451
Longitude: -9.10149

Cities in the area:


Solar Energy

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0 W/m²
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About Air Quality in Sesimbra

Air quality in Sesimbra 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 Sesimbra

  • 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 Sesimbra?

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 Sesimbra

If you're planning outdoor activities in Sesimbra, 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.