Stark measures to limit the spread of the coronavirus (COVID-19) are resulting in a clear reduction in air pollution in Europe, particularly due to reduced traffic in cities, according to European Environment Agency data published on 25 March.
These data concern the concentrations of nitrogen dioxide (NO2), a pollutant mainly emitted by road transport.
They indicate that in Milan, average concentrations for the last four weeks have been at least 24% lower than in an equivalent period earlier...