What is the air quality in Naples?

Naples, Italy has an annual US AQI of 65 (Polluted) and average PM2.5 of 16.4 µg/m³, ranking #2731 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Naples?

September is typically the cleanest month (AQI 59) and December the most polluted (AQI 75).

Where does Naples's air quality data come from?

PM2.5: 1998–2026 (monitors 2008, 2011–2013, 2015–2026, satellite 1998–2012, 2014; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Naples, Italy — Air Quality & Clean City Guide 2026

Naples Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2731	Naples, Italy	Europe	AQI 65	PM2.5 16.4 µg/m³