Websites

GEO Community response to COVID-19, https://www.earthobservations.org/covid19.php

Wikipedia, COVID-19 pandemic lockdown in Hubei, https://en.wikipedia.org/wiki/COVID-19_pandemic_lockdown_in_Hubei

AIr Quality Open Data Platform, Worldwide COVID-19 dataset, https://aqicn.org/data-platform/covid19/jp/

Copernicus/CAMS, European Air Quality Information in support of the COVID-19 crisis, https://atmosphere.copernicus.eu/european-air-quality-information-support-covid-19-crisis

Harvard, A national studt on long-term exposure to air pollution and COVID-19 mortality in the United States. https://projects.iq.harvard.edu/covid-pm

NOAA/GML, Can we see a change in the CO₂ record because of COVID-19? https://www.esrl.noaa.gov/gmd/ccgg/covid2.html

NOAA/CSL, COVID-AQS 2020, https://esrl.noaa.gov/csl/groups/csd7/measurements/2020covid-aqs/