What is the air quality in Terni?

Terni, Italy has an annual US AQI of 70 (Polluted) and average PM2.5 of 18.7 µg/m³, ranking #3183 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Terni?

May is typically the cleanest month (AQI 55) and December the most polluted (AQI 94).

Where does Terni's air quality data come from?

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

Terni, Italy — Air Quality & Clean City Guide 2026

Terni Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3183	Terni, Italy	Europe	AQI 70	PM2.5 18.7 µg/m³