What is the air quality in Stuttgart?

Stuttgart, Germany has an annual US AQI of 57 (Reasonable) and average PM2.5 of 12.7 µg/m³, ranking #1648 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Stuttgart?

May is typically the cleanest month (AQI 50) and January the most polluted (AQI 68).

Where does Stuttgart's air quality data come from?

PM2.5: 1998–2026 (monitors 2006–2026, satellite 1998–2006, 2012; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Stuttgart, Germany — Air Quality & Clean City Guide 2026

Stuttgart Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1648	Stuttgart, Germany	Europe	AQI 57	PM2.5 12.7 µg/m³