What is the air quality in Castro-Urdiales today?

The current Air Quality Index (AQI) in Castro-Urdiales is 31 (Good). PM2.5 concentration is 7.43 µg/m³.

What is the temperature in Castro-Urdiales right now?

The current temperature in Castro-Urdiales is 12.4°C (feels like 12.4°C). Humidity is 92.4% and wind speed is 15.8 km/h.

Is it safe to go outside in Castro-Urdiales?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 5.9 (High).

Air Quality in Castro-Urdiales, Spain

Drizzle

12.4°C · 92.4% humidity

12.4°

Feels 12.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

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Station readings

CAMS model adj +17

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.

92.4%

Humidity

15.8 km/h

Wind SSW

1004.5 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

7.43 µg/m³

PM10▲

41.15 µg/m³

050100150200300500

What is the weather forecast for Castro-Urdiales?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.57.43 µg/m³ ✓ WHO

Good

PM1041.15 µg/m³

Good

UV INDEX5.9

High

Station readings (10 stations within 25 km)

7.43

Median

7.89

Average

5.95

Low

11.0

High

PM2.5 µg/m³ · Model: 13.7 · Bias: +6.3

Both models agree Avg diff: 3.2°C

Where are air quality stations near Castro-Urdiales?

San Julian, Muskiz, País Vasco, Spain

10.3 km PM2.5: 6.0 µg/m³

Zierbena, País Vasco, Spain

11.7 km PM2.5: 7.7 µg/m³

Las Carreras, Abanto y Ciérvana-Abanto Zierbena, País Vasco, Spain

12.2 km PM2.5: 8.4 µg/m³

Las Carreras, Abanto y Ciérvana-Abanto Zierbena, País Vasco, Spain

12.2 km PM2.5: 5.8 µg/m³

Abanto y Ciérvana-Abanto Zierbena, País Vasco, Spain

13.7 km PM2.5: 14.5 µg/m³

spain-getxo-francisca-labroche-kalea

18.1 km PM2.5: 5.6 µg/m³ PM10: 5.6 µg/m³

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SESTAO

20.0 km

Zalla, País Vasco, Spain

20.1 km PM2.5: 12.1 µg/m³

Erandio, País Vasco, Spain

21.6 km PM2.5: 12.0 µg/m³

Erandio, País Vasco, Spain

21.6 km PM2.5: 2.9 µg/m³

What cities are near Castro-Urdiales?

40 Santurtzi 29 Getxo 27 Algorta 35 Portugalete 35 Sestao 33 Leioa 37 Barakaldo 35 Erandio 46 Bilbao 39 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 2026-05-30T08:15 UTC.