What is the air quality in Zurich?

Zurich, Switzerland has an annual US AQI of 58 (Reasonable) and average PM2.5 of 13.1 µg/m³, ranking #1788 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Zurich?

May is typically the cleanest month (AQI 50) and January the most polluted (AQI 70).

Where does Zurich's air quality data come from?

PM2.5: 1998–2026 (monitors 1998–2002, 2008–2026, satellite 2003–2007, 2010–2014, 2016; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Zurich, Switzerland — Air Quality & Clean City Guide 2026

Zurich Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1788	Zurich, Switzerland	Europe	AQI 58	PM2.5 13.1 µg/m³