机译:Pandemic induced lockdown as a boon to the Environment: trends in air pollution concentration across India
Department of Physics, Hemvati Nandan Bahuguna Garhwal University;
Karunya Institute of Technology and Sciences;
G B Pant National Institute of Himalayan EnvironmentDepartment of Chemistry, Faculty of Science, Dayalbagh Educational Institute (Deemed University)Department of Environmental Sciences, Central University of Jharkhand;
COVID-19; Coronavirus; Air quality index; Back trajectories; India;