"Could do better": this is roughly the assessment that sums up Airparif's 2021 report on air pollution in Ile-de-France.

Because if the air quality improved last year, the level of pollution is still much higher than the recommendations of the WHO, with thousands of premature deaths.

“60,000 Ile-de-France residents are still exposed to concentrations exceeding the French and European regulatory limit value for nitrogen dioxide (NO2), along major traffic routes” such as the ring road and the A1 motorway, according to a press release from the organization.

"For PM10 particles, an overrun of the limit value is still noted for less than a thousand inhabitants", according to Airparif.

11 episodes of pollution in 2021

The concentrations of nitrogen dioxide and particles (PM10 and PM2.5) are down compared to 2019 and previous years, specifies the air quality observatory in Ile-de-France.

This downward trend is notably linked to the reflux of emissions caused by residential heating and road traffic, explains Airparif.

Compared to 2020, on the other hand, a particular year marked by Covid-19, “the levels of NO2, PM10 and PM2.5 have increased slightly”.

In 2021, there were 11 episodes of pollution, including 10 “for PM10 particles and one because of ozone (…) i.e. the lowest number of exceedance days for ten years”.

7,900 premature deaths each year

The recommendations of the World Health Organization (WHO), stricter than EU regulations and tightened in 2021 to take into account the most recent knowledge on the health impact of air pollution, are "still largely exceeded for all of the 12 million inhabitants of Île-de-France”, however warns Airparif.

This is the case “over the whole region for PM2.5 fine particles and for ozone, for 95% of the inhabitants for nitrogen dioxide and for 80% of the inhabitants for PM10 particles”.

Air pollution is the cause of "serious chronic pathologies, in particular cardiovascular and respiratory pathologies and cancers", also recalls Airparif.

Following these recommendations would prevent 7,900 premature deaths each year, estimates the organization, which is based on a study it published in early 2022 with the Île-de-France Regional Health Observatory (ORS).

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