Monday, October 3, 2022

When air and road travel dropped during COVID, so did air pollution levels

A new study has found that ultrafine particle concentration decreased by 48 percent during the COVID-19 state-of-emergency period, which corresponded with aircraft and road traffic reductions of 74 percent and 51 percent, respectively.

from Top Health News -- ScienceDaily https://ift.tt/8KGZaqy
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