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COVID-19 Lockdowns Cut Pollution, But Not All of It

Dust storms and other weather phenomena offset some reductions in PM2.5 aerosol pollution.


NASA Earth Observatory images by Lauren Dauphin, using data from Hammer, Melanie, et al. (2021). Story by Brandie Jefferson, Washington University in St. Louis, and Roberto Molar Candanosa, NASA’s Earth Science News Team, with Mike Carlowicz.

Published June 25, 2021
Data acquired February 2019 - February 2020

Sources:
Aqua > MODIS
Model
Terra > MISR
Terra > MODIS