Is time to run? ⚠️☢️☣️

Perozinho (Porto) (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
13°C
Rain
Humidity
89.5%
Wind
10 m/s
Pressure
991 hPa
Direction
274°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
12° / 14°
Precip.
12.7mm
Max wind
11.8 m/s

Hourly Forecast

04.02
Now
Weather
13°
0.3
10
04.02
04:00
Weather
13°
0.5
9
04.02
05:00
Weather
13°
0.2
9
04.02
06:00
Weather
13°
0.3
8
04.02
07:00
Weather
13°
0.6
8
04.02
08:00
Weather
12°
9
04.02
09:00
Weather
14°
9
04.02
10:00
Weather
14°
9
04.02
11:00
Weather
14°
0.3
8
04.02
12:00
Weather
14°
0.7
8
04.02
13:00
Weather
13°
0.9
9
04.02
14:00
Weather
14°
0.9
10
04.02
15:00
Weather
14°
0.8
9
04.02
16:00
Weather
13°
0.3
7
04.02
17:00
Weather
13°
0.3
7
04.02
18:00
Weather
13°
0.7
7
04.02
19:00
Weather
12°
1.8
6
04.02
20:00
Weather
13°
0.5
9
04.02
21:00
Weather
14°
0.6
9
04.02
22:00
Weather
14°
0.5
9
04.02
23:00
Weather
13°
0.6
10
05.02
00:00
Weather
13°
0.2
10
05.02
01:00
Weather
14°
0.8
12
05.02
02:00
Weather
14°
0.9
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
12°C
09:00
14°C
10:00
14°C
11:00
14°C
12:00
14°C
13:00
13°C
14:00
14°C
15:00
14°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

1.8mm
0mm
03:00
0.3mm
04:00
0.5mm
05:00
0.2mm
06:00
0.3mm
07:00
0.6mm
11:00
0.3mm
12:00
0.7mm
13:00
0.9mm
14:00
0.9mm
15:00
0.8mm
16:00
0.3mm
17:00
0.3mm
18:00
0.7mm
19:00
1.8mm
20:00
0.5mm
21:00
0.6mm
22:00
0.5mm
23:00
0.6mm
00:00
0.2mm
01:00
0.8mm
02:00
0.9mm
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
8.5 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
8.4 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
85.1 km
29
9.7%

Measurement time: 2026-02-04 02:41

Calculated from PM2.5/PM10

O3
85.1 km
74.49 µg/m3
46.6%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

PM2.5
85.1 km
6.97 µg/m3
8.3%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

PM10
85.1 km
9.8 µg/m3
7%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

CO
85.1 km
0.11668 mg/m3
0.8%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

NO2
78.6 km
1.06 µg/m3
0.5%

Measurement time: 2026-02-04 02:42

source: OpenWeatherMap

SO2
85.1 km
0.45 µg/m3
0.1%

Measurement time: 2026-02-04 02:41

source: OpenWeatherMap

About Air Quality in Perozinho

Air quality in Perozinho 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 Perozinho

  • 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 Perozinho?

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 Perozinho

If you're planning outdoor activities in Perozinho, 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.