Drive less to breathe better: Paris at the test of its metamorphos

In 2024, the Ile-de-France experienced a significant improvement in air quality, confirmed by the latest Airparif report, which is part of a fundamental trend since the early 2000s. Thus, since 2005, PM2.5 concentrations of fine particulate matter have fallen by 55%, while those of nitrogen dioxide (NO2), a pollutant closely linked to road traffic, have decreased by 50%. These decreases are not an anecdote: they reflect structural change in sour…