What is the air quality in Santa Coloma de Gramenet?

Santa Coloma de Gramenet, Spain has an annual US AQI of 63 (Polluted) and average PM2.5 of 15.3 µg/m³, ranking #2490 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Santa Coloma de Gramenet?

September is typically the cleanest month (AQI 58) and February the most polluted (AQI 70).

Where does Santa Coloma de Gramenet's air quality data come from?

PM2.5: 1998–2025 (monitors 2013–2023, satellite 1998–2012, 2024, model 2025). Measured by government monitoring stations. Full sources are on the methodology page.

Santa Coloma de Gramenet, Spain — Air Quality & Clean City Guide 2026

Santa Coloma de Gramenet Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2490	Santa Coloma de Gramenet, Spain	Europe	AQI 63	PM2.5 15.3 µg/m³