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Pollution decline related to COVID-19

Pollution decline related to COVID-19
Pollution decline related to COVID-19 This image shows average nitrogen dioxide levels above Europe during a 2-week period in May 2019 (top) versus May 2020 (bottom), using data from the European Space Agency's Copernicus Sentinel-5P satellite. Nitrogen dioxide is a pollutant that comes primarily from cars, large vehicles, and power plants burning fossil fuels. Many regions around the world saw significant pollution drops due to COVID-19 stay-at-home measures. KNMI/ESA