How does COVID-19 lockdown affect air quality: Evidence from Lanzhou, a large city in Northwest China
Jianping Yang, Qin Ji, Hongzheng Pu, Xinyang Dong, Qin Yang
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Coronavirus disease 2019 (COVID-19)ChinaSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)2019-20 coronavirus outbreakAir quality indexAffect (linguistics)GeographyEnvironmental healthEnvironmental scienceMeteorologyVirologyOutbreakMedicinePsychologyInfectious disease (medical specialty)ArchaeologyCommunicationDiseasePathologyCOVID-19 impact on air qualityAir Quality and Health ImpactsCOVID-19 Pandemic Impacts