Air quality during three covid-19 lockdown phases: AQI, PM2.5 and NO2 assessment in cities with more than 1 million inhabitants
Abdelfettah Benchrif, Ali Wheida, Mounia Tahri, Ramiz M. Shubbar, Biplab Biswas
Topics & Concepts
Air quality indexCoronavirus disease 2019 (COVID-19)Air pollutionQuarantineGeographyEnvironmental scienceDistribution (mathematics)Air Pollution IndexPollutionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)ChinaEnvironmental healthEnvironmental protectionSocioeconomicsMeteorologyMedicineMathematicsEconomicsChemistryBiologyEcologyDiseaseArchaeologyPathologyOrganic chemistryInfectious disease (medical specialty)Mathematical analysisCOVID-19 impact on air qualityAir Quality and Health ImpactsCOVID-19 epidemiological studies