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Alcácer do Sal (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

Heavy rain
14°C
Heavy rain
Humidity
92.6%
Wind
7 m/s
Pressure
997.7 hPa
Direction
272°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
14° / 16°
Precip.
57mm
Max wind
10.8 m/s

Hourly Forecast

04.02
Now
Weather
14°
1.6
7
04.02
06:00
Weather
14°
5
5
04.02
07:00
Weather
14°
4.5
6
04.02
08:00
Weather
14°
3.3
6
04.02
09:00
Weather
15°
0.4
8
04.02
10:00
Weather
15°
0.6
6
04.02
11:00
Weather
15°
0.7
7
04.02
12:00
Weather
15°
0.9
6
04.02
13:00
Weather
15°
5.6
5
04.02
14:00
Weather
15°
9.8
8
04.02
15:00
Weather
15°
2.3
11
04.02
16:00
Weather
15°
1.4
9
04.02
17:00
Weather
15°
1.5
9
04.02
18:00
Weather
15°
1.9
8
04.02
19:00
Weather
15°
2.4
8
04.02
20:00
Weather
15°
0.8
7
04.02
21:00
Weather
15°
1.1
7
04.02
22:00
Weather
15°
4.2
6
04.02
23:00
Weather
15°
5.6
7
05.02
00:00
Weather
15°
0.5
9
05.02
01:00
Weather
15°
0.7
9
05.02
02:00
Weather
16°
0.2
10
05.02
03:00
Weather
16°
0.2
11
05.02
04:00
Weather
15°
1.8
10

Temperature

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

Precipitation

9.8mm
0mm
05:00
1.6mm
06:00
5mm
07:00
4.5mm
08:00
3.3mm
09:00
0.4mm
10:00
0.6mm
11:00
0.7mm
12:00
0.9mm
13:00
5.6mm
14:00
9.8mm
15:00
2.3mm
16:00
1.4mm
17:00
1.5mm
18:00
1.9mm
19:00
2.4mm
20:00
0.8mm
21:00
1.1mm
22:00
4.2mm
23:00
5.6mm
00:00
0.5mm
01:00
0.7mm
02:00
0.2mm
03:00
0.2mm
04:00
1.8mm
05:00 16:00 04:00

Wind

10.8m/s
0m/s
05:00
6.6 m/s
06:00
5.1 m/s
07:00
5.5 m/s
08:00
5.7 m/s
09:00
7.7 m/s
10:00
6.2 m/s
11:00
6.5 m/s
12:00
5.7 m/s
13:00
5.4 m/s
14:00
7.7 m/s
15:00
10.8 m/s
16:00
9 m/s
17:00
9.1 m/s
18:00
8.1 m/s
19:00
7.5 m/s
20:00
7 m/s
21:00
6.6 m/s
22:00
6 m/s
23:00
6.7 m/s
00:00
8.9 m/s
01:00
9.3 m/s
02:00
10.3 m/s
03:00
10.7 m/s
04:00
9.5 m/s
05:00 16:00 04:00

Radiation

0.036 uSv
55 km
4.5%

Measurement time: 2026-02-03 23:00

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
64.8 km
29
9.7%

Measurement time: 2026-02-04 04:29

Calculated from PM2.5/PM10

O3
64.8 km
84.61 µg/m3
52.9%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

PM2.5
64.8 km
6.98 µg/m3
8.3%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

PM10
64.8 km
11.33 µg/m3
8.1%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

CO
64.8 km
0.11525 mg/m3
0.8%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

NO2
64.8 km
0.7 µg/m3
0.4%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

SO2
64.8 km
0.29 µg/m3
0.1%

Measurement time: 2026-02-04 04:29

source: OpenWeatherMap

Info


Country: Portugal
Region: Setúbal
Latitude: 38.37326
Longitude: -8.51444

About Air Quality in Alcácer do Sal

Air quality in Alcácer do Sal 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 Alcácer do Sal

  • 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 Alcácer do Sal?

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 Alcácer do Sal

If you're planning outdoor activities in Alcácer do Sal, 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.