Air Quality in Castro-Urdiales, Spain

Drizzle
13.9°C · 78.3% humidity
13.9°
Feels 13.9°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
2 6am
0
0
20 9am
16
12
9 12pm
7
6
12 3pm
11
10
3 6pm
10
10
9 9pm
2
2
9 12am
9
9
2 3am
2
2
Station readings
4
5
2
CAMS model adj -25
27
25
25
25
27
27
27
27
27
34
34
34
27
34
34
34
27
27
34
34
34
27
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

Castro-Urdiales'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.

78.3%
Humidity
12.9 km/h
Wind ESE
1022.2 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.67 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Castro-Urdiales?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.54.67 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (3 stations within 25 km)
4.67
Median
4.32
Average
0.97
Low
6.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.2

What is the 7-day forecast for Castro-Urdiales?

06-09
18.0° 13.9°
0.13 mm
06-10
17.1° 15.3°
1.25 mm
06-11
20.3° 18.2°
6.0 mm
06-12
20.5° 15.6°
06-13
19.8° 15.9°
0.62 mm
06-14
18.6° 15.7°
8.56 mm
06-15
18.6° 15.7°
4.5 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Castro-Urdiales?

9
San Julian, Muskiz, País Vasco, Spain
10.3 km PM2.5: 2.2 µg/m³
30
Zierbena, País Vasco, Spain
11.7 km PM2.5: 7.2 µg/m³
33
Las Carreras, Abanto y Ciérvana-Abanto Zierbena, País Vasco, Spain
12.2 km PM2.5: 7.9 µg/m³
34
Las Carreras, Abanto y Ciérvana-Abanto Zierbena, País Vasco, Spain
12.2 km PM2.5: 8.2 µg/m³
24
Abanto y Ciérvana-Abanto Zierbena, País Vasco, Spain
13.7 km PM2.5: 5.8 µg/m³
2
spain-getxo-francisca-labroche-kalea
18.1 km PM2.5: 0.6 µg/m³ PM10: 1.5 µg/m³
–
SESTAO
20.0 km
20
Zalla, País Vasco, Spain
20.1 km PM2.5: 4.8 µg/m³
28
Erandio, País Vasco, Spain
21.6 km PM2.5: 6.7 µg/m³
13
Erandio, País Vasco, Spain
21.6 km PM2.5: 3.1 µg/m³

What cities are near Castro-Urdiales?

12 Santurtzi 5 Getxo 5 Algorta 12 Portugalete 15 Sestao 9 Leioa 19 Barakaldo 19 Erandio 22 Bilbao 22 Santutxu
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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 2026-06-09T07:09 UTC.