Nitrogen dioxide concentrations over Europe

These images, using data from the Copernicus Sentinel-5P satellite, show the average nitrogen dioxide concentrations from March to April (upper panels) and July to August (lower panels) in 2019 and 2020, and their difference maps. After a strong column decrease observed during the lockdown in March-April 2020, the majority of Europe returned to similar 2019 levels of nitrogen dioxide concentrations, except for large cities, where the nitrogen dioxide levels remain lower than in 2019.

Read full story: Air pollution in a post-COVID-19 world