What is the air quality in Milan?

Milan, Italy has an annual US AQI of 89 (Polluted) and average PM2.5 of 27.2 µg/m³, ranking #4188 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Milan?

May is typically the cleanest month (AQI 61) and January the most polluted (AQI 128).

Where does Milan's air quality data come from?

PM2.5: 1998–2026 (monitors 2004–2013, 2015–2026, satellite 1998–2003, 2005, 2007, 2014; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Milan, Italy — Air Quality & Clean City Guide 2026

Milan Air Quality Data

Global rank	City	Continent	AQI	PM2.5
4188	Milan, Italy	Europe	AQI 89	PM2.5 27.2 µg/m³