Air Quality in Castelldefels, Spain

Partly Cloudy
20.8°C · 66.3% humidity
20.8°
Feels 20.8°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
15 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
12 3am
12
12
29 6am
24
21
18 9am
4
15
14 12pm
14
13
13 3pm
13
12
12 6pm
12
12
12 9pm
12
12
12 12am
12
12
Station readings
15
9
8
14
CAMS model adj -42
54
54
54
54
54
54
54
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

48h · 1 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.

66.3%
Humidity
33.0 km/h
Wind NNW
1017.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
6.96 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Castelldefels?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.56.96 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (15 stations within 25 km)
6.96
Median
6.99
Average
5.5
Low
9.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +3.0

What is the 7-day forecast for Castelldefels?

06-09
22.8° 20.3°
0.13 mm
06-10
21.8° 20.4°
0.19 mm
06-11
23.9° 21.8°
06-12
23.5° 21.2°
0.25 mm
06-13
24.2° 20.8°
06-14
24.0° 21.6°
1.31 mm
06-15
23.7° 21.3°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Castelldefels?

42
Barcelona (Palau Reial), Catalunya, Spain
17.2 km PM2.5: 10.1 µg/m³
30
Sant Andreu de la Barca, Catalunya, Spain
19.2 km PM2.5: 7.2 µg/m³
19
Sant Andreu de la Barca, Catalunya, Spain
19.2 km PM2.5: 4.6 µg/m³
24
Barcelona (Eixample), Catalunya, Spain
19.4 km PM2.5: 5.8 µg/m³
24
Barcelona, Catalunya, Spain
20.2 km PM2.5: 5.8 µg/m³
20
Barcelona (Gràcia-St.Gervasi), Catalunya, Spain
20.3 km PM2.5: 4.8 µg/m³
25
Vilanova i la Geltrú
21.8 km PM2.5: 6.0 µg/m³ PM10: 16.0 µg/m³
34
Barcelona (Parc Vall d'Hebrón), Catalunya, Spain
22.2 km PM2.5: 8.2 µg/m³
24
Barcelona (Parc Vall d'Hebrón), Catalunya, Spain
22.2 km PM2.5: 5.8 µg/m³
78
Martorell, Catalunya, Spain
22.3 km PM2.5: 24.9 µg/m³

What cities are near Castelldefels?

29 Gavà 29 Viladecans 29 Sant Boi de Llobregat 29 El Prat de Llobregat 29 Sant Joan Despí 29 Cornellà de Llobregat 29 Sant Vicenç dels Horts 29 Sant Feliu de Llobregat 26 Sitges 28 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 2026-06-09T04:46 UTC.