nitrogen dioxide emissions down 20% between 10 a.m. and 5 p.m.

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Paris literally breathes. Nitrogen dioxide emissions fell by 20% this Sunday, September 18, in Paris according to Airparif, the air quality observatory in Île-de-France. It was precisely today that Paris breathe took place, a day without motorized vehicles in the capital.

You may have realized it, but the air you breathed this Sunday, September 18 in Paris was healthier than usual. Concentrations of nitrogen dioxide, a gas harmful to health, were down 20% between 10 a.m. and 5 p.m. compared to usualaccording to Airparif, the air quality observatory in Île-de-France.

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This 20% drop is equivalent to that of the 2021 edition of Paris breathe. It was precisely today that no motorized vehicle was allowed to drive in the capital to promote alternative modes of transport (bicycles, scooters, on foot, etc.). In detail, the peak of this decrease reached 30% less nitrogen dioxide in the air, between 1 p.m. and 2 p.m. And this decline was particularly visible on the main roads.


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