Influence of Meterological Parameters and Traffic on PM2.5 Level at Katraj Area, Pune, Maharashtra, India

This study investigates the relationship of meteorological parameters (temperature, relative humidity, wind) and traffic volume over the Katraj ward in the city of Pune, India for the months of May, July and November 2016. Data was collected from the Indian Institute of Tropical Meteorology. In this study, the temporal and seasonal variation of PM2.5 were observed and peak hours data for traffic was observed. Results show that temperature and relative humidity represent highest correlation with PM2.5 wind speed has an insignificant effect on the behaviour of PM2.5. Traffic volume also has an insignificant effect on the levels of PM2.5 and depend upon the emissions of the vehicles.