id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-311827-jfdlb2g8	Chen, L.-W. Antony	Nonuniform impacts of COVID-19 lockdown on air quality over the United States	2020-07-21		.txt	text/plain	1547	55	48	key: cord-311827-jfdlb2g8 authors: Chen, L.-W. Antony; Chien, Lung-Chang; Li, Yi; Lin, Ge title: Nonuniform impacts of COVID-19 lockdown on air quality over the United States date: 2020-07-21 journal: Sci Total Environ DOI: 10.1016/j.scitotenv.2020.141105 sha: doc_id: 311827 cord_uid: jfdlb2g8 Abstract Most of the state governments in United States (U.S.) issued lockdown or business restrictions amid the COVID-19 pandemic in March 2020, which created a unique opportunity to evaluate the air quality response to reduced economic activities. Such policies impact air quality through, most notably, declined non-essential transportation and energy consumption (Le Quéré et al., 2020) .	cache/cord-311827-jfdlb2g8.txt	txt/cord-311827-jfdlb2g8.txt
