In 2023, France's PM2.5 exposure was estimated at 10.55 micrograms per cubic meter. Forecasts for 2024 to 2028 suggest a declining trend, with PM2.5 levels expected to decrease by approximately 1.8% each year. Specifically, a year-on-year reduction of around 1.8% is predicted from 2024 to 2025, and again from 2025 to 2026, with a consistent pattern following through 2028. Over the five-year period, a compound annual growth rate (CAGR) of approximately -1.8% per annum reflects this downward trajectory.

Future trends to watch for:

Implementation of stricter environmental regulations to further curb emissions.
Advancements in clean energy and technology could accelerate the reduction of PM2.5 levels.
Potential impacts of climate change and urbanization on air quality trends.
Public health initiatives aimed at reducing exposure to pollutants.