Air Quality in Castellar del Vallès, Spain

Windy
32.0°C · 37.7% humidity
32.0°
Feels 32.0°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
27 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
28 1pm
31
52
42 4pm
40
40
40 7pm
40
40
40 10pm
40
40
40 1am
40
40
40 4am
40
20
20 7am
20
20
40 10am
20
13
Station readings
28
31
52
CAMS model adj -14
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
34
34
34
54
34
27
AD 728×90

Air Quality Index Trend

47h · 11 stn

Castellar del Vallès's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

37.7%
Humidity
44.7 km/h
Wind S
1017.2 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.22 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Castellar del Vallès?

Temperature & Precipitation

PM2.5 Trend

47h · 11 stations
PM2.510.22 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (27 stations within 25 km)
10.22
Median
10.15
Average
5.3
Low
15.9
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +3.3

What is the 7-day forecast for Castellar del Vallès?

09-05
32.0° 17.4°
09-06
24.2° 17.2°
9.75 mm
09-07
32.3° 17.8°
09-08
31.1° 20.6°
0.25 mm
09-09
27.5° 19.6°
0.13 mm
09-10
32.7° 19.2°
09-11
30.0° 18.1°
0.38 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Castellar del Vallès?

53
Sabadell (Av.Gran Via), Catalunya, Spain
6.4 km PM2.5: 13.1 µg/m³
53
Terrassa, Catalunya, Spain
9.2 km PM2.5: 13.1 µg/m³
53
Santa Perpètua de Mogoda, Catalunya, Spain
13.0 km PM2.5: 13.1 µg/m³
53
Santa Perpètua de Mogoda, Catalunya, Spain
13.0 km PM2.5: 13.1 µg/m³
23
Mollet, Catalunya, Spain
13.1 km PM2.5: 5.5 µg/m³
53
Mollet, Catalunya, Spain
13.1 km PM2.5: 13.1 µg/m³
29
Mollet, Catalunya, Spain
13.1 km PM2.5: 7.0 µg/m³
30
Can Barri
13.2 km PM2.5: 7.2 µg/m³ PM10: 7.2 µg/m³
30
Rubí (Ca n'Oriol), Catalunya, Spain
14.3 km PM2.5: 7.2 µg/m³
30
Rubí (Ca n'Oriol), Catalunya, Spain
14.3 km PM2.5: 7.2 µg/m³

What cities are near Castellar del Vallès?

41 Caldes de Montbui 51 Terrassa 42 Sabadell 40 Sant Quirze del Vallès 41 Barberà del Vallès 43 Santa Perpètua de Mogoda 44 Parets del Vallès 45 Mollet del Vallès 30 Rubí 43 Ripollet
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T14:05 UTC.