What is the air quality in Caen?

Caen, France has an annual US AQI of 53 (Reasonable) and average PM2.5 of 11.3 µg/m³, ranking #1115 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Caen?

August is typically the cleanest month (AQI 44) and March the most polluted (AQI 65).

Where does Caen's air quality data come from?

PM2.5: 1998–2026 (monitors 2001–2005, 2011–2026, satellite 1998–2001, 2005–2010, 2016; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Caen, France — Air Quality & Clean City Guide 2026

Caen Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1115	Caen, France	Europe	AQI 53	PM2.5 11.3 µg/m³