What is the air quality in Bologna?

Bologna, Italy has an annual US AQI of 72 (Polluted) and average PM2.5 of 17.5 µg/m³, ranking #3347 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Bologna?

May is typically the cleanest month (AQI 58) and January the most polluted (AQI 89).

Where does Bologna's air quality data come from?

PM2.5: 1998–2026 (monitors 2008–2013, 2015–2025, satellite 1998–2008, 2014, model 2026). Measured by government monitoring stations. Full sources are on the methodology page.

Bologna, Italy — Air Quality & Clean City Guide 2026

Bologna Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3347	Bologna, Italy	Europe	AQI 72	PM2.5 17.5 µg/m³