![]() 1 exhibited that up to January 02, 2021, globally, 2,217,005 people have died, and 102,399,513 infected by COVID-19, and the USA become the country having a higher number of 436,051 deaths and 25,817,939 confirmed cases (WHO 2020). ![]() The emergence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) outbreak firstly COVID-19 pandemic has posed a severe threat to human health and adversely affected all aspects of life (Wang et al. ( 2020) observed that the population is living in the proximity of significant roadways in urban cities are suffering more from air pollution. ![]() During the past two decades, numerous studies highlighted that polluted air incites short-term and long-term health issues such as asthma, cancer, premature deaths, and cardiovascular mortality, among humans (Bowatte et al. 2019 Koçak and Kızılkaya 2020 Dedeoğlu et al. from different human actions such as mining activities, the process of manufacturing, transportation, residential cooking, biomass, and waste burnings (Kinnon et al. It is primarily as a result of the concentration of pollutants such as NO 2, NH 3, PM 2.5, and SO 2 CO. As per the World Health Organization (WHO) estimation, seven million people die each year due to poor air quality (WHO 2014). Our key findings can provide critical environmental implications for policymakers, researchers, academics, and the US government.Īir pollution is one of the predominant causes and threats to human health as it leads to morbidity and fatality every year (Miri et al. (4) Brooklyn, Manhattan, Queens, and Staten Island County encountered 18.75%, 55.62%, 47.14%, and 47% diminution in AQI due to lockdown as compared to 2018, respectively. (3) O 3 concentration has been increased by 44.4%. (2) NO 2 concentrations have been decreased by up to 52% in 1st phase of lockdown. Our findings revealed that (1) there was a significant decline in the concentration level of PM 2.5 from 10.3 to 4.0 μg/m 3 during phase one of lockdown. We explored the first phase of lockdown through a spatial approach, then formulated the air quality index (AQI) of each pollutant before and during the lockdown. We evaluated the air pollutants concentration, i.e., PM 2.5, CO, NO 2, SO 2, and O 3, during the lockdown and compared them with pre-COVID-19. Therefore, we investigated the impact of the lockdown on air quality in New York City. ![]() New York City administration enacted a strict isolation decision at the end of March 2020 to tackle the COVID-19, creating a unique opportunity to assess air quality. The outbreak of the COVID-19 pandemic has adversely affected all aspects of life and poses a severe threat to human health and economic development. ![]()
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