Abstract
The coronavirus disease 2019 (COVID-19) can spread through droplets of infected humans but this transmission dynamics is affected by air circulation in polluted cities. This study endeavors to explain the relation between wind speed and the diffusion of COVID-19 in polluted cities to explain viral airborne transmission. Results reveal that in Italy, polluted cities with low wind speed have higher numbers of COVID-19 related infected individuals. This finding seems to suggest that high concentrations of particulate matter in the air, in the presence of little wind can promote a longer permanence of the viral particles in polluted air, thus favoring COVID-19 airborne transmission in environments. Because of complex real-world environmental ventilation conditions, environmental policies should be directed to reduce air pollution in polluted cities with low wind speed, that added to measures of social distancing and wearing masks for both infected and healthy humans, can to reduce airborne transmission of the SARS-CoV-2 and other viral agents.
Published Version
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