Paris is the european metropolis where the concentrations of nitrogen dioxide (NO2) have the more exploded with the déconfinement : + 118 %.
Finished the song birds heard in the French capital, the pollution is back. According to data published Wednesday by the Centre for research on energy and air quality (Crea), an international body based in Finland, Paris is the european metropolis where the concentrations of nitrogen dioxide (NO2) have the more exploded with the déconfinement : + 118 % compared to the average of the thirty days of confinement where the numbers were at the lowest.
During the phase of confinement, the concentrations of NO2 had decreased by 60% in Paris compared to the same period of 2017, 2018 and 2019.
Brussels, Milan and Munich the most polluted in the absolute
This return of the pollution is observed in all the major cities of Europe hit by the epidemic of the Covid-19. +88% in Brussels, +74% in Oslo, +73% in Milan. The gap in the French capital is due to a greater reduction of the concentrations of NO2 in previous years, emphasizes the study (-60 % compared to the same period of 2017, 2018 and 2019). Brussels, Milan and Munich show a level of concentration of absolute nitrogen dioxide higher than Paris.
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Pollution of the cities, alternating circulation or differentiated and other measures
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The Crea is based on the data from AirParif, the first sheet post-Covid June 10, showed that after three weeks of déconfinement, the pollution was returned to 80% of its usual level.
