Differential impacts of COVID-19 lockdowns on PM2.5 across the United States

The COVID-19 pandemic has induced large-scale behavioral changes, presenting a unique opportunity to study how air pollution is affected by societal shifts. At 455 PM2.5 monitoring sites across the United States, we conduct a causal inference analysis to determine the impacts of COVID-19 lockdowns o...

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Autores principales:	Kevin L. Chen, Lucas R.F. Henneman, Rachel C. Nethery
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	COVID-19 Air pollution Air quality Stay-at-home Environmental policy Causal inference Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/497618c038c142ef8bff44fb92991ac6
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spelling	oai:doaj.org-article:497618c038c142ef8bff44fb92991ac62021-12-02T05:04:12ZDifferential impacts of COVID-19 lockdowns on PM2.5 across the United States2666-765710.1016/j.envadv.2021.100122https://doaj.org/article/497618c038c142ef8bff44fb92991ac62021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666765721000934https://doaj.org/toc/2666-7657The COVID-19 pandemic has induced large-scale behavioral changes, presenting a unique opportunity to study how air pollution is affected by societal shifts. At 455 PM2.5 monitoring sites across the United States, we conduct a causal inference analysis to determine the impacts of COVID-19 lockdowns on PM2.5. Our approach allows for rigorous confounding adjustment with highly spatio-temporally resolved effect estimates. We find that, with the exception of the Southwest, most of the US experienced increases in PM2.5 compared to concentrations expected under business-as-usual. To investigate possible drivers of this phenomenon, we use a regression model to characterize the relationship of various factors with the observed impacts. Our findings have immense environmental policy relevance, suggesting that mobility reductions alone may be insufficient to substantially and uniformly reduce PM2.5.Kevin L. ChenLucas R.F. HennemanRachel C. NetheryElsevierarticleCOVID-19Air pollutionAir qualityStay-at-homeEnvironmental policyCausal inferenceEnvironmental sciencesGE1-350ENEnvironmental Advances, Vol 6, Iss , Pp 100122- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	COVID-19 Air pollution Air quality Stay-at-home Environmental policy Causal inference Environmental sciences GE1-350
spellingShingle	COVID-19 Air pollution Air quality Stay-at-home Environmental policy Causal inference Environmental sciences GE1-350 Kevin L. Chen Lucas R.F. Henneman Rachel C. Nethery Differential impacts of COVID-19 lockdowns on PM2.5 across the United States
description	The COVID-19 pandemic has induced large-scale behavioral changes, presenting a unique opportunity to study how air pollution is affected by societal shifts. At 455 PM2.5 monitoring sites across the United States, we conduct a causal inference analysis to determine the impacts of COVID-19 lockdowns on PM2.5. Our approach allows for rigorous confounding adjustment with highly spatio-temporally resolved effect estimates. We find that, with the exception of the Southwest, most of the US experienced increases in PM2.5 compared to concentrations expected under business-as-usual. To investigate possible drivers of this phenomenon, we use a regression model to characterize the relationship of various factors with the observed impacts. Our findings have immense environmental policy relevance, suggesting that mobility reductions alone may be insufficient to substantially and uniformly reduce PM2.5.
format	article
author	Kevin L. Chen Lucas R.F. Henneman Rachel C. Nethery
author_facet	Kevin L. Chen Lucas R.F. Henneman Rachel C. Nethery
author_sort	Kevin L. Chen
title	Differential impacts of COVID-19 lockdowns on PM2.5 across the United States
title_short	Differential impacts of COVID-19 lockdowns on PM2.5 across the United States
title_full	Differential impacts of COVID-19 lockdowns on PM2.5 across the United States
title_fullStr	Differential impacts of COVID-19 lockdowns on PM2.5 across the United States
title_full_unstemmed	Differential impacts of COVID-19 lockdowns on PM2.5 across the United States
title_sort	differential impacts of covid-19 lockdowns on pm2.5 across the united states
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/497618c038c142ef8bff44fb92991ac6
work_keys_str_mv	AT kevinlchen differentialimpactsofcovid19lockdownsonpm25acrosstheunitedstates AT lucasrfhenneman differentialimpactsofcovid19lockdownsonpm25acrosstheunitedstates AT rachelcnethery differentialimpactsofcovid19lockdownsonpm25acrosstheunitedstates
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Differential impacts of COVID-19 lockdowns on PM2.5 across the United States

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