Seasonal Variability of PM2.5, BC, and PM2.5 Chemical Characteristics at Busy Roadways in Kathmandu Valley, Nepal

Kabindra M Shakya, Villanova University, Department of Geography and the Environment, Villanova, PA, United States, Maheswar Rupakheti, Institute for Advanced Sustainability Studies (IASS), Potsdam, Germany and Richard Peltier, University of Massachusetts, Environmental Health Sciences, Amherst, United States