ESA images show a strong reduction of nitrogen dioxide concentrations over major cities in Europe





New data, based on observations from the Copernicus Sentinel-5P satellite, are showing strong reductions in nitrogen dioxide concentrations over several major cities across Europe – including Paris, Madrid and Rome.

The coronavirus disease (COVID-19) has been spreading rapidly across the world – affecting 170 countries with more than 530 000 confirmed cases worldwide. The coronavirus outbreak was declared a global pandemic by the World Health Organisation, and has since stated that the disease is ‘accelerating’.In order to curb the spread of the COVID-19 outbreak, countries across the world are implementing strict measures – placing cities and even entire countries on lockdown.

The Copernicus Sentinel-5P satellite has recently mapped air pollution across Europe and China and has revealed a significant drop in nitrogen dioxide concentrations – coinciding with the strict quarantine measures.Scientists from the Royal Netherlands Meteorological Institute (KNMI) have been using data from Copernicus Sentinel-5P satellite to monitor both weather and pollution over Europe.