Air Quality in Castelldefels, Spain

Partly Cloudy
26.3°C · 69.4% humidity
26.3°
Feels 26.3°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
14 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
27 2am
27
27
32 5am
31
30
29 8am
28
28
28 11am
27
27
27 2pm
27
27
27 5pm
27
27
27 8pm
27
27
27 11pm
27
27
Station readings
28
20
30
25
CAMS model adj -27
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

48h · 6 stn

Castelldefels'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.

69.4%
Humidity
35.3 km/h
Wind SSW
1014.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.62 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Castelldefels?

Temperature & Precipitation

PM2.5 Trend

48h · 6 stations
PM2.57.62 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (14 stations within 25 km)
7.62
Median
7.61
Average
4.8
Low
9.0
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +2.1

What is the 7-day forecast for Castelldefels?

08-03
28.6° 26.3°
08-04
28.0° 25.7°
08-05
28.3° 26.7°
08-06
29.1° 26.7°
0.13 mm
08-07
29.1° 26.1°
08-08
28.8° 23.6°
0.69 mm
08-09
28.7° 25.4°
Both models agree Avg diff: 2.6°C

Where are air quality stations near Castelldefels?

46
Sant Vicenç dels Horts, Catalunya, Spain
13.1 km PM2.5: 11.0 µg/m³
46
Sant Vicenç dels Horts, Catalunya, Spain
13.1 km PM2.5: 11.0 µg/m³
24
Barcelona (Palau Reial), Catalunya, Spain
17.2 km PM2.5: 5.8 µg/m³
38
Barcelona (Palau Reial), Catalunya, Spain
17.2 km PM2.5: 9.1 µg/m³
50
Sant Andreu de la Barca, Catalunya, Spain
19.2 km PM2.5: 12.0 µg/m³
20
Sant Andreu de la Barca, Catalunya, Spain
19.2 km PM2.5: 4.8 µg/m³
27
Barcelona, Catalunya, Spain
20.2 km PM2.5: 6.5 µg/m³
38
Barcelona, Catalunya, Spain
20.2 km PM2.5: 9.1 µg/m³
42
Barcelona, Catalunya, Spain
20.2 km PM2.5: 10.1 µg/m³
42
Barcelona (Gràcia-St.Gervasi), Catalunya, Spain
20.3 km PM2.5: 10.1 µg/m³

What cities are near Castelldefels?

32 Gavà 32 Viladecans 33 Sant Boi de Llobregat 33 El Prat de Llobregat 33 Sant Joan Despí 33 Cornellà de Llobregat 32 Sant Vicenç dels Horts 33 Sant Feliu de Llobregat 31 Sitges 34 L'Hospitalet de Llobregat
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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 2026-08-08T03:50 UTC.