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Cerdanyola del Vallès (Catalonia) (ES)

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
79.2%
Wind
3 m/s
Pressure
997.4 hPa
Direction
126°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
4° / 14°
Precip.
2.7mm
Max wind
5.1 m/s

Hourly Forecast

02.02
Now
Weather
13°
0.1
02.02
14:00
Weather
13°
0.2
02.02
15:00
Weather
13°
0.3
5
02.02
16:00
Weather
13°
0.7
02.02
17:00
Weather
12°
02.02
18:00
Weather
12°
0.3
02.02
19:00
Weather
11°
1.1
02.02
20:00
Weather
11°
5
02.02
21:00
Weather
11°
02.02
22:00
Weather
9°
02.02
23:00
Weather
9°
03.02
00:00
Weather
8°
03.02
01:00
Weather
7°
03.02
02:00
Weather
6°
03.02
03:00
Weather
6°
03.02
04:00
Weather
5°
03.02
05:00
Weather
5°
03.02
06:00
Weather
4°
03.02
07:00
Weather
4°
03.02
08:00
Weather
5°
03.02
09:00
Weather
8°
03.02
10:00
Weather
11°
03.02
11:00
Weather
12°
03.02
12:00
Weather
14°

Temperature

14°C
4°C
13:00
13°C
14:00
13°C
15:00
13°C
16:00
13°C
17:00
12°C
18:00
12°C
19:00
11°C
20:00
11°C
21:00
11°C
22:00
9°C
23:00
9°C
00:00
8°C
01:00
7°C
02:00
6°C
03:00
6°C
04:00
5°C
05:00
5°C
06:00
4°C
07:00
4°C
08:00
5°C
09:00
8°C
10:00
11°C
11:00
12°C
12:00
14°C
13:00 00:00 12:00

Precipitation

1.1mm
0mm
13:00
0.1mm
14:00
0.2mm
15:00
0.3mm
16:00
0.7mm
18:00
0.3mm
19:00
1.1mm
13:00 00:00 12:00

Wind

5.1m/s
0m/s
13:00
2.6 m/s
14:00
4.5 m/s
15:00
5.1 m/s
16:00
3.8 m/s
17:00
3.8 m/s
18:00
2.1 m/s
19:00
3.7 m/s
20:00
5.1 m/s
21:00
4.8 m/s
22:00
4.6 m/s
23:00
4.9 m/s
00:00
4.1 m/s
01:00
3.5 m/s
02:00
3.1 m/s
03:00
3.2 m/s
04:00
2.7 m/s
05:00
2.7 m/s
06:00
2.6 m/s
07:00
2.3 m/s
08:00
2.5 m/s
09:00
2.3 m/s
10:00
3.1 m/s
11:00
4.1 m/s
12:00
4.3 m/s
13:00 00:00 12:00

Radiation

0.098 uSv
6 km
12.2%

Measurement time: 2026-02-02 06:00

source: remap_europe

Air quality

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
11 km
136
45.3%

Measurement time: 2026-02-02 13:00

Calculated from PM2.5/PM10

PM2.5
11 km
50 µg/m3
59.5%

Measurement time: 2026-02-02 13:00

source: Aqicn

NO2
11 km
35.7 µg/m3
17.9%

Measurement time: 2026-02-02 13:00

source: Aqicn

PM10
11 km
20 µg/m3
14.3%

Measurement time: 2026-02-02 13:00

source: Aqicn

SO2
11 km
4.1 µg/m3
1.2%

Measurement time: 2026-02-02 13:00

source: Aqicn

O3
11 km
1.3 µg/m3
0.8%

Measurement time: 2026-02-02 13:00

source: Aqicn

CO
11 km
0.0001 mg/m3
0%

Measurement time: 2026-02-02 13:00

source: Aqicn

Info

Country: Spain
Region: Catalonia
Latitude: 41.49109
Longitude: 2.14079

Cities in the area:

Ripollet Barberà del Vallès Montcada i Reixac Ciutat Meridiana La Llagosta Sant Cugat del Vallès Canyelles les Roquetes la Trinitat Nova Santa Perpètua de Mogoda Verdun la Trinitat Vella Montbau Horta la Guineueta Nou Barris Sabadell la Prosperitat Polinyà Sant Quirze del Vallès la Vall d'Hebron el Turó de la Peira Porta Santa Coloma de Gramenet Barri de Sant Andreu Sant Genís dels Agudells Sant Andreu Vilapicina i la Torre Llobeta la Teixonera la Font d'en Fargues el Bon Pastor el Congrés i els Indians Mollet del Vallès el Coll El Carmel Horta-Guinardó Can Baró La Sagrera el Guinardó Vallcarca la Salut Llefià Navas Rubí la Verneda i la Pau el Baix Guinardó Sant Martí de Provençals Sant Adrià de Besòs el Putxet i el Farró el Camp de l'Arpa del Clot Sant Martí La Bonanova el Camp d'en Grassot i Gràcia Nova la Vila de Gràcia el Clot Gràcia Badalona Sarrià Sagrada Família Provenals del Poblenou Montmeló el Besòs i el Maresme el Poblenou Diagonal Mar Parets del Vallès

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About Air Quality in Cerdanyola del Vallès

Air quality in Cerdanyola del Vallès 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 Cerdanyola del Vallès

  • 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 Cerdanyola del Vallès?

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 Cerdanyola del Vallès

If you're planning outdoor activities in Cerdanyola del Vallès, 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.