Further analyses are showing the continued low levels of nitrogen dioxide concentrations across Europe—coinciding with lockdown measures implemented to stop the spread of the coronavirus. New data from the Copernicus Sentinel-5P satellite, from the European Union Copernicus programme, show some cities seeing levels fall by 45—50% compared to the same period last year.
Click here for original story, Air pollution remains low as Europeans stay at home
Source: Phys.org