What is the air quality in Rome?

Rome, Italy has an annual US AQI of 66 (Polluted) and average PM2.5 of 16.8 µg/m³, ranking #2818 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Rome?

May is typically the cleanest month (AQI 56) and December the most polluted (AQI 80).

Where does Rome's air quality data come from?

PM2.5: 1998–2026 (monitors 2006–2013, 2015–2026, satellite 1998–2005, 2014; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Rome, Italy — Air Quality & Clean City Guide 2026

Rome Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2818	Rome, Italy	Europe	AQI 66	PM2.5 16.8 µg/m³