Air pollution is a major concern of now days. It is caused by many gaseous as well as particulate pollutants. The ground level O3 and SPM (PM2.5) are the two essential sources which can fluctuates the quality of ambient air in the atmosphere. The diurnal average of O3 and PM2.5 of the year 2014 reflected the annual and seasonal variations throughout the year. The correlation between O3 and PM2.5 shows maximum fluctuating concentration in the month of December with positive correlation (r=0.1886).