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Santa Comba Dão (Viseu) (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

Ясно
17°C
Ясно
Humidity
36.5%
Wind
8 m/s
Pressure
1030.8 hPa
Direction
41°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
12° / 20°
Precip.
0mm
Max wind
8.1 m/s

Hourly Forecast

30.03
Now
Weather
17°
8
30.03
14:00
Weather
18°
8
30.03
15:00
Weather
19°
7
30.03
16:00
Weather
19°
7
30.03
17:00
Weather
19°
7
30.03
18:00
Weather
18°
6
30.03
19:00
Weather
17°
30.03
20:00
Weather
15°
30.03
21:00
Weather
14°
30.03
22:00
Weather
13°
30.03
23:00
Weather
13°
31.03
00:00
Weather
13°
31.03
01:00
Weather
13°
6
31.03
02:00
Weather
13°
7
31.03
03:00
Weather
13°
7
31.03
04:00
Weather
12°
7
31.03
05:00
Weather
12°
7
31.03
06:00
Weather
12°
7
31.03
07:00
Weather
12°
7
31.03
08:00
Weather
13°
6
31.03
09:00
Weather
15°
7
31.03
10:00
Weather
17°
8
31.03
11:00
Weather
19°
8
31.03
12:00
Weather
20°
8

Temperature

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

Precipitation

0mm
0mm
13:00 00:00 12:00

Wind

8.1m/s
0m/s
13:00
8.1 m/s
14:00
7.7 m/s
15:00
7.3 m/s
16:00
6.8 m/s
17:00
6.5 m/s
18:00
6.1 m/s
19:00
4.7 m/s
20:00
4.2 m/s
21:00
3.5 m/s
22:00
3.8 m/s
23:00
4.1 m/s
00:00
4.6 m/s
01:00
6.1 m/s
02:00
6.8 m/s
03:00
6.8 m/s
04:00
6.5 m/s
05:00
6.6 m/s
06:00
6.7 m/s
07:00
7 m/s
08:00
6.2 m/s
09:00
7.1 m/s
10:00
7.6 m/s
11:00
7.7 m/s
12:00
7.5 m/s
13:00 00:00 12:00

Radiation

0.183 uSv
23.2 km
22.9%

Measurement time: 2026-03-30 07:00

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
38.8 km
4
1.3%

Measurement time: 2026-03-30 13:23

Calculated from PM2.5/PM10

O3
38.8 km
101.53 µg/m3
63.5%

Measurement time: 2026-03-30 13:23

source: OpenWeatherMap

PM10
38.8 km
2.71 µg/m3
1.9%

Measurement time: 2026-03-30 13:23

source: OpenWeatherMap

PM2.5
38.8 km
0.96 µg/m3
1.1%

Measurement time: 2026-03-30 13:23

source: OpenWeatherMap

CO
38.8 km
0.13949 mg/m3
1%

Measurement time: 2026-03-30 13:23

source: OpenWeatherMap

NO2
38.8 km
1.18 µg/m3
0.6%

Measurement time: 2026-03-30 13:23

source: OpenWeatherMap

SO2
38.8 km
0.47 µg/m3
0.1%

Measurement time: 2026-03-30 13:23

source: OpenWeatherMap

Info


Country: Portugal
Region: Viseu
Latitude: 40.39856
Longitude: -8.1316


Solar Energy

Moderate
496.6 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Santa Comba Dão

About Air Quality in Santa Comba Dão

Air quality in Santa Comba Dão 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 Santa Comba Dão

  • 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 Santa Comba Dão?

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 Santa Comba Dão

If you're planning outdoor activities in Santa Comba Dão, 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.