Due to the Crisis of COVID 19, countries are locked down to break the chain of the virus. All the industries, transporations are blocked and hecne this leads to a signifincant changes in the pollution level. In this Presentation, we have plotted the graphs of AOD between the different years (2017-2020) of the the time (FEB-APRIL))the different cities and tried to analyse the change in concentration of the aerosols.