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São Romão (Guarda) (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
7°C
Heavy rain
Humidity
98%
Wind
7 m/s
Pressure
992.7 hPa
Direction
261°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
7° / 10°
Precip.
39.4mm
Max wind
9 m/s

Hourly Forecast

04.02
Now
Weather
2
7
04.02
05:00
Weather
2.2
8
04.02
06:00
Weather
1.3
7
04.02
07:00
Weather
1
7
04.02
08:00
Weather
1.4
7
04.02
09:00
Weather
0.3
7
04.02
10:00
Weather
0.1
7
04.02
11:00
Weather
0.9
6
04.02
12:00
Weather
0.9
5
04.02
13:00
Weather
1.1
7
04.02
14:00
Weather
1.4
7
04.02
15:00
Weather
1.8
9
04.02
16:00
Weather
2.2
7
04.02
17:00
Weather
2.2
9
04.02
18:00
Weather
2.4
7
04.02
19:00
Weather
4.1
8
04.02
20:00
Weather
1.2
7
04.02
21:00
Weather
2
7
04.02
22:00
Weather
1.8
7
04.02
23:00
Weather
2.1
8
05.02
00:00
Weather
2.9
9
05.02
01:00
Weather
1.4
9
05.02
02:00
Weather
1.3
7
05.02
03:00
Weather
10°
1.4
7

Temperature

10°C
7°C
04:00
7°C
05:00
7°C
06:00
8°C
07:00
7°C
08:00
7°C
09:00
8°C
10:00
8°C
11:00
8°C
12:00
8°C
13:00
9°C
14:00
9°C
15:00
9°C
16:00
9°C
17:00
9°C
18:00
9°C
19:00
9°C
20:00
9°C
21:00
9°C
22:00
9°C
23:00
9°C
00:00
9°C
01:00
9°C
02:00
9°C
03:00
10°C
04:00 15:00 03:00

Precipitation

4.1mm
0mm
04:00
2mm
05:00
2.2mm
06:00
1.3mm
07:00
1mm
08:00
1.4mm
09:00
0.3mm
10:00
0.1mm
11:00
0.9mm
12:00
0.9mm
13:00
1.1mm
14:00
1.4mm
15:00
1.8mm
16:00
2.2mm
17:00
2.2mm
18:00
2.4mm
19:00
4.1mm
20:00
1.2mm
21:00
2mm
22:00
1.8mm
23:00
2.1mm
00:00
2.9mm
01:00
1.4mm
02:00
1.3mm
03:00
1.4mm
04:00 15:00 03:00

Wind

9m/s
0m/s
04:00
6.9 m/s
05:00
7.8 m/s
06:00
6.7 m/s
07:00
7.3 m/s
08:00
7.2 m/s
09:00
7 m/s
10:00
7 m/s
11:00
6 m/s
12:00
5.3 m/s
13:00
7 m/s
14:00
6.8 m/s
15:00
9 m/s
16:00
7.2 m/s
17:00
8.6 m/s
18:00
7.4 m/s
19:00
8.3 m/s
20:00
7 m/s
21:00
7.4 m/s
22:00
7.3 m/s
23:00
8.4 m/s
00:00
8.7 m/s
01:00
8.7 m/s
02:00
7.3 m/s
03:00
6.8 m/s
04:00 15:00 03:00

Radiation

0.088 uSv
13.1 km
11%

Measurement time: 2026-02-03 22:00

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
75.9 km
29
9.7%

Measurement time: 2026-02-04 02:41

Calculated from PM2.5/PM10

O3
75.9 km
74.49 µg/m3
46.6%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

PM2.5
75.9 km
6.97 µg/m3
8.3%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

PM10
75.9 km
9.8 µg/m3
7%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

CO
75.9 km
0.11668 mg/m3
0.8%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

NO2
100 km
1.06 µg/m3
0.5%

Measurement time: 2026-02-04 02:42

source: OpenWeatherMap

SO2
75.9 km
0.45 µg/m3
0.1%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

Info


Country: Portugal
Region: Guarda
Latitude: 40.40118
Longitude: -7.71464

Cities in the area:


Solar Energy

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0 W/m²
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About Air Quality in São Romão

Air quality in São Romão 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 São Romão

  • 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 São Romão?

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 São Romão

If you're planning outdoor activities in São Romão, 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.