What is the air quality in Santander?

Santander, Spain has an annual US AQI of 52 (Reasonable) and average PM2.5 of 10.7 µg/m³, ranking #984 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Santander?

August is typically the cleanest month (AQI 49) and March the most polluted (AQI 59).

Where does Santander's air quality data come from?

PM2.5: 1998–2026 (monitors 2009–2025, satellite 1998–2008, 2011, 2014–2024, model 2025–2026). Measured by government monitoring stations. Full sources are on the methodology page.

Santander, Spain — Air Quality & Clean City Guide 2026

Santander Air Quality Data

Global rank	City	Continent	AQI	PM2.5
984	Santander, Spain	Europe	AQI 52	PM2.5 10.7 µg/m³