Air pollution in Europe returning to pre-pandemic levels in March 2021

Air pollution in Europe returning to pre-pandemic levels in March 2021

This image shows the average concentrations of nitrogen dioxide (NO₂) in the tropospheric column (i.e. above ground level), computed using Copernicus Sentinel-5P satellite data for March of 2019, 2020 and 2021.

Copernicus
Image source

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