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Silvalde (Aveiro) (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

Light rain
13°C
Light rain
Humidity
89.3%
Wind
10 m/s
Pressure
991.2 hPa
Direction
272°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
12° / 14°
Precip.
16mm
Max wind
11.8 m/s

Hourly Forecast

04.02
Now
Weather
13°
0.2
10
04.02
04:00
Weather
13°
0.5
9
04.02
05:00
Weather
13°
9
04.02
06:00
Weather
13°
0.3
8
04.02
07:00
Weather
13°
0.5
8
04.02
08:00
Weather
13°
9
04.02
09:00
Weather
14°
9
04.02
10:00
Weather
14°
9
04.02
11:00
Weather
14°
8
04.02
12:00
Weather
14°
0.9
8
04.02
13:00
Weather
13°
1.3
9
04.02
14:00
Weather
13°
1
10
04.02
15:00
Weather
13°
0.8
9
04.02
16:00
Weather
13°
0.5
7
04.02
17:00
Weather
13°
0.4
7
04.02
18:00
Weather
13°
2.5
7
04.02
19:00
Weather
12°
3
6
04.02
20:00
Weather
13°
0.5
9
04.02
21:00
Weather
14°
0.3
9
04.02
22:00
Weather
14°
0.2
9
04.02
23:00
Weather
13°
1.3
10
05.02
00:00
Weather
13°
0.4
10
05.02
01:00
Weather
14°
0.4
12
05.02
02:00
Weather
14°
1
12

Temperature

14°C
12°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
14°C
11:00
14°C
12:00
14°C
13:00
13°C
14:00
13°C
15:00
13°C
16:00
13°C
17:00
13°C
18:00
13°C
19:00
12°C
20:00
13°C
21:00
14°C
22:00
14°C
23:00
13°C
00:00
13°C
01:00
14°C
02:00
14°C
03:00 14:00 02:00

Precipitation

3mm
0mm
03:00
0.2mm
04:00
0.5mm
06:00
0.3mm
07:00
0.5mm
12:00
0.9mm
13:00
1.3mm
14:00
1mm
15:00
0.8mm
16:00
0.5mm
17:00
0.4mm
18:00
2.5mm
19:00
3mm
20:00
0.5mm
21:00
0.3mm
22:00
0.2mm
23:00
1.3mm
00:00
0.4mm
01:00
0.4mm
02:00
1mm
03:00 14:00 02:00

Wind

11.8m/s
0m/s
03:00
9.9 m/s
04:00
9.2 m/s
05:00
8.6 m/s
06:00
7.8 m/s
07:00
7.6 m/s
08:00
8.5 m/s
09:00
8.8 m/s
10:00
8.7 m/s
11:00
8 m/s
12:00
8.3 m/s
13:00
9.2 m/s
14:00
9.6 m/s
15:00
8.5 m/s
16:00
7 m/s
17:00
6.7 m/s
18:00
7.4 m/s
19:00
6.3 m/s
20:00
8.7 m/s
21:00
8.8 m/s
22:00
9 m/s
23:00
9.6 m/s
00:00
10.2 m/s
01:00
11.7 m/s
02:00
11.8 m/s
03:00 14:00 02:00

Radiation

0.097 uSv
16.6 km
12.2%

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
77 km
29
9.7%

Measurement time: 2026-02-04 02:41

Calculated from PM2.5/PM10

O3
77 km
74.49 µg/m3
46.6%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

PM2.5
77 km
6.97 µg/m3
8.3%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

PM10
77 km
9.8 µg/m3
7%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

CO
77 km
0.11668 mg/m3
0.8%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

NO2
84.7 km
1.06 µg/m3
0.5%

Measurement time: 2026-02-04 02:42

source: OpenWeatherMap

SO2
77 km
0.45 µg/m3
0.1%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

About Air Quality in Silvalde

Air quality in Silvalde 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 Silvalde

  • 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 Silvalde?

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 Silvalde

If you're planning outdoor activities in Silvalde, 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.