When air and road travel dropped during COVID, so did air pollution levels — ScienceDaily
During the first year of the COVID-19 pandemic, global road travel and commercial flight activity decreased by 50 percent and 60 percent, respectively, compared to pre-pandemic levels. During the lockdowns that cities imposed in the initial months of COVID, flight activity in particular was reduced to a near standstill, decreasing by 96 percent — nearly … Read more