What is the air quality in Lille?

Lille, France has an annual US AQI of 61 (Polluted) and average PM2.5 of 14.9 µg/m³, ranking #2301 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Lille?

July is typically the cleanest month (AQI 53) and March the most polluted (AQI 71).

Where does Lille's air quality data come from?

PM2.5: 1998–2026 (monitors 2001–2008, 2011–2021, 2025–2026, satellite 1998–2001, 2008–2010, 2021–2024; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Lille, France — Air Quality & Clean City Guide 2026

Lille Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2301	Lille, France	Europe	AQI 61	PM2.5 14.9 µg/m³