Air Quality in Cerdanyola del Vallès, Spain

Drizzle
22.0°C · 72.2% humidity
22.0°
Feels 22.0°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
29 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
30 9pm
53
52
50 12am
45
42
39 3am
37
36
15 6am
15
14
14 9am
34
13
6 12pm
6
6
33 3pm
33
33
33 6pm
33
33
Station readings
30
53
52
CAMS model adj -21
54
54
54
54
54
54
54
54
54
34
34
34
34
54
34
27
27
27
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 11 stn

Cerdanyola 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.

72.2%
Humidity
9.4 km/h
Wind SW
1017.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
50
11.88 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 11 stations
PM2.511.88 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
11.88
Median
11.66
Average
6.0
Low
17.3
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -1.0
09-05
30.7° 21.6°
09-06
24.9° 21.3°
5.44 mm
09-07
31.2° 22.9°
09-08
27.7° 24.9°
0.62 mm
09-09
25.7° 22.8°
0.19 mm
09-10
30.6° 23.0°
09-11
27.0° 21.7°
0.19 mm
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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 2026-09-05T22:00 UTC.