What is the air quality in Castro-Urdiales today?

The current Air Quality Index (AQI) in Castro-Urdiales is 45 (Good). PM2.5 concentration is 10.94 µg/m³.

What is the temperature in Castro-Urdiales right now?

The current temperature in Castro-Urdiales is 16.4°C (feels like 16.4°C). Humidity is 68.4% and wind speed is 25.4 km/h.

Is it safe to go outside in Castro-Urdiales?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Castro-Urdiales, Spain

Partly Cloudy

16.4°C · 68.4% humidity

16.4°

Feels 16.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

7 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

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.

68.4%

Humidity

25.4 km/h

Wind N

1023.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.94 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Castro-Urdiales?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.510.94 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (7 stations within 25 km)

10.94

Median

10.15

Average

1.36

Low

16.9

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -5.1

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

10-21

18.6° 13.3°

5.81 mm

10-22

21.6° 16.0°

1.56 mm

10-23

18.5° 14.2°

4.69 mm

10-24

17.7° 13.6°

3.88 mm

10-25

20.5° 14.4°

0.38 mm

10-26

17.1° 14.2°

3.94 mm

10-27

16.6° 10.3°

9.44 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Castro-Urdiales?

Abanto y Ciérvana-Abanto Zierbena, País Vasco, Spain

13.7 km PM2.5: 9.1 µg/m³

Abanto y Ciérvana-Abanto Zierbena, País Vasco, Spain

13.7 km PM2.5: 16.9 µg/m³

Santurce, Santurtzi, País Vasco, Spain

15.4 km PM2.5: 13.1 µg/m³

spain-getxo-francisca-labroche-kalea

18.1 km PM2.5: 1.4 µg/m³ PM10: 1.4 µg/m³

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SESTAO

20.0 km

Zalla, País Vasco, Spain

20.1 km PM2.5: 7.7 µg/m³

Baracaldo, Barakaldo, País Vasco, Spain

21.1 km PM2.5: 6.0 µg/m³

Erandio, País Vasco, Spain

21.6 km PM2.5: 12.0 µg/m³

23.1 km PM2.5: 4.0 µg/m³ PM10: 9.0 µg/m³

What cities are near Castro-Urdiales?

51 Santurtzi 16 Getxo 10 Algorta 41 Portugalete 35 Sestao 30 Leioa 26 Barakaldo 48 Erandio 14 Bilbao 23 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 2026-10-21T13:15 UTC.