Saint-Denis was the most polluted city in France in 2024, with an average PM2.5 concentration of 13.8 micrograms per cubic meter of air (μg/m³). This level exceeds World Health Organization guidelines by roughly three times. Meanwhile, Lyon had a PM2.5 concentration of 9.8 μg/m³ that year.
Average PM2.5 concentration in the most polluted cities in France in 2024
(in micrograms per cubic meter of air)
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IQAir. (March 11, 2025). Average PM2.5 concentration in the most polluted cities in France in 2024 (in micrograms per cubic meter of air) [Graph]. In Statista. Retrieved April 05, 2025, from https://www.statista.com/statistics/1284579/average-pm25-in-regional-cities-in-france/
IQAir. "Average PM2.5 concentration in the most polluted cities in France in 2024 (in micrograms per cubic meter of air)." Chart. March 11, 2025. Statista. Accessed April 05, 2025. https://www.statista.com/statistics/1284579/average-pm25-in-regional-cities-in-france/
IQAir. (2025). Average PM2.5 concentration in the most polluted cities in France in 2024 (in micrograms per cubic meter of air). Statista. Statista Inc.. Accessed: April 05, 2025. https://www.statista.com/statistics/1284579/average-pm25-in-regional-cities-in-france/
IQAir. "Average Pm2.5 Concentration in The Most Polluted Cities in France in 2024 (in Micrograms per Cubic Meter of Air)." Statista, Statista Inc., 11 Mar 2025, https://www.statista.com/statistics/1284579/average-pm25-in-regional-cities-in-france/
IQAir, Average PM2.5 concentration in the most polluted cities in France in 2024 (in micrograms per cubic meter of air) Statista, https://www.statista.com/statistics/1284579/average-pm25-in-regional-cities-in-france/ (last visited April 05, 2025)
Average PM2.5 concentration in the most polluted cities in France in 2024 (in micrograms per cubic meter of air) [Graph], IQAir, March 11, 2025. [Online]. Available: https://www.statista.com/statistics/1284579/average-pm25-in-regional-cities-in-france/
