What is the air quality in Setúbal?

Setúbal, Portugal has an annual US AQI of 51 (Reasonable) and average PM2.5 of 10 µg/m³, ranking #825 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Setúbal?

April is typically the cleanest month (AQI 48) and December the most polluted (AQI 54).

Where does Setúbal's air quality data come from?

PM2.5: 1998–2026 (monitors 2007–2010, 2023–2024, satellite 1998–2007, 2011–2022, model 2025–2026). Measured by government monitoring stations. Full sources are on the methodology page.

Setúbal, Portugal — Air Quality & Clean City Guide 2026

Setúbal Air Quality Data

Global rank	City	Continent	AQI	PM2.5
825	Setúbal, Portugal	Europe	AQI 51	PM2.5 10 µg/m³