Spatiotemporal variations and reduction of air pollutants during the COVID-19 pandemic in a megacity of Yangtze River Delta in China
Qi Yuan, Bing Qi, Deyun Hu, Junjiao Wang, Jian Zhang, Huanqiang Yang, Shanshan Zhang, Lei Liu, Liang Xu, Weijun Li
Topics & Concepts
MegacityAir quality indexAir pollutionEnvironmental sciencePollutantChinaDeltaPollutionCriteria air contaminantsUrbanizationNOxMeteorologyGeographyEnvironmental protectionEnvironmental engineeringAir pollutantsEngineeringEconomyBiologyOrganic chemistryEconomic growthChemistryCombustionAerospace engineeringArchaeologyEconomicsEcologyCOVID-19 impact on air qualityAir Quality and Health ImpactsAir Quality Monitoring and Forecasting