Assessing air quality changes in heavily polluted cities during the COVID-19 pandemic: A case study in Xi'an, China
Li Han, Jingyuan Zhao, Zhaolin Gu
Topics & Concepts
Air quality indexChinaAir pollutionPollutionEnvironmental sciencePandemicPollutantUnintended consequencesCoronavirus disease 2019 (COVID-19)Environmental engineeringAir pollutantsDistribution (mathematics)GeographyMeteorologyMathematicsPolitical scienceChemistryOrganic chemistryInfectious disease (medical specialty)MedicineMathematical analysisDiseaseEcologyArchaeologyLawBiologyPathologyCOVID-19 impact on air qualityAir Quality and Health ImpactsClimate Change and Health Impacts