Is time to run? ⚠️☢️☣️

Semelhe (Braga) (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
12°C
Rain
Humidity
98.5%
Wind
3 m/s
Pressure
1011.2 hPa
Direction
141°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
9° / 15°
Precip.
35.7mm
Max wind
9.2 m/s

Hourly Forecast

01.02
Now
Weather
12°
0.5
01.02
10:00
Weather
13°
0.2
01.02
11:00
Weather
13°
0.2
5
01.02
12:00
Weather
14°
0.1
01.02
13:00
Weather
14°
0.1
01.02
14:00
Weather
15°
0.3
01.02
15:00
Weather
15°
0.6
01.02
16:00
Weather
14°
01.02
17:00
Weather
14°
1
01.02
18:00
Weather
13°
1.6
01.02
19:00
Weather
13°
2
01.02
20:00
Weather
14°
3.9
6
01.02
21:00
Weather
13°
2.7
6
01.02
22:00
Weather
13°
0.8
7
01.02
23:00
Weather
13°
1.2
8
02.02
00:00
Weather
13°
2.8
8
02.02
01:00
Weather
13°
1.8
8
02.02
02:00
Weather
13°
3
8
02.02
03:00
Weather
12°
6.4
9
02.02
04:00
Weather
12°
3.5
7
02.02
05:00
Weather
11°
1.4
7
02.02
06:00
Weather
11°
1.1
7
02.02
07:00
Weather
10°
0.2
6
02.02
08:00
Weather
0.3
6

Temperature

15°C
9°C
09:00
12°C
10:00
13°C
11:00
13°C
12:00
14°C
13:00
14°C
14:00
15°C
15:00
15°C
16:00
14°C
17:00
14°C
18:00
13°C
19:00
13°C
20:00
14°C
21:00
13°C
22:00
13°C
23:00
13°C
00:00
13°C
01:00
13°C
02:00
13°C
03:00
12°C
04:00
12°C
05:00
11°C
06:00
11°C
07:00
10°C
08:00
9°C
09:00 20:00 08:00

Precipitation

6.4mm
0mm
09:00
0.5mm
10:00
0.2mm
11:00
0.2mm
12:00
0.1mm
13:00
0.1mm
14:00
0.3mm
15:00
0.6mm
17:00
1mm
18:00
1.6mm
19:00
2mm
20:00
3.9mm
21:00
2.7mm
22:00
0.8mm
23:00
1.2mm
00:00
2.8mm
01:00
1.8mm
02:00
3mm
03:00
6.4mm
04:00
3.5mm
05:00
1.4mm
06:00
1.1mm
07:00
0.2mm
08:00
0.3mm
09:00 20:00 08:00

Wind

9.2m/s
0m/s
09:00
2.7 m/s
10:00
4.5 m/s
11:00
5.2 m/s
12:00
4.6 m/s
13:00
3.9 m/s
14:00
4.3 m/s
15:00
4 m/s
16:00
3.8 m/s
17:00
4.7 m/s
18:00
4.3 m/s
19:00
4.9 m/s
20:00
5.9 m/s
21:00
5.6 m/s
22:00
7.1 m/s
23:00
7.5 m/s
00:00
7.8 m/s
01:00
8.2 m/s
02:00
7.8 m/s
03:00
9.2 m/s
04:00
7.3 m/s
05:00
6.6 m/s
06:00
6.9 m/s
07:00
6.4 m/s
08:00
6.1 m/s
09:00 20:00 08:00

Radiation

0.101 uSv
47.5 km
12.6%

Measurement time: 2026-02-01 03:00

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
32 km
78
26%

Measurement time: 2026-02-01 08:00

Calculated from PM2.5/PM10

O3
74.4 km
72.26 µg/m3
45.2%

Measurement time: 2026-02-01 08:41

source: OpenWeatherMap

PM2.5
32 km
25 µg/m3
29.8%

Measurement time: 2026-02-01 08:00

source: Aqicn

PM10
32 km
25 µg/m3
17.9%

Measurement time: 2026-02-01 08:00

source: Aqicn

NO2
32 km
2.3 µg/m3
1.2%

Measurement time: 2026-02-01 08:00

source: Aqicn

CO
74.4 km
0.10647 mg/m3
0.8%

Measurement time: 2026-02-01 08:41

source: OpenWeatherMap

SO2
74.4 km
0.66 µg/m3
0.2%

Measurement time: 2026-02-01 08:41

source: OpenWeatherMap

Info


Country: Portugal
Region: Braga
Latitude: 41.55437
Longitude: -8.46281


Solar Energy

Low
196.2 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Semelhe

About Air Quality in Semelhe

Air quality in Semelhe 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 Semelhe

  • 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 Semelhe?

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 Semelhe

If you're planning outdoor activities in Semelhe, 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.