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Life forms and their health status are highly dependent on the surrounding environment especially on the air quality as air and its constituents are the basic requirements for life sustenance on earth. Booming population and their dependency on machineries such as vehicles for their mass transportation has tortured the mother earth with polluted environment. This has affected the quality of air that we breathe and in turn affects our health status. Some of the notable air pollutants (PM10, PM2.5, CO, NO, SO2, O3 NH3 and Pb) serve as the means to determine the air quality index. This article outlines the impact of air quality on humans and plants as well as the effect of lockdown due to novel Corona virus (COVID-19) on air quality globally. In order to intervene the communal spread of COVID-19 governments across different continents have imposed restrictions on public movement and gathering which has reduced the mass transportation and usage of vehicles. This has benefited the air quality by reducing the pollutants in atmosphere and it is needless to say this is a blessing in disguise amid COVID-19 pandemic.

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