Vehicles seen plying amid smoke and dust,in Chabahill on Sunday, April 9, 2017. Photo: RSS 
Multimedia Air pollution Mausam By Rastriya Samachar Samiti Published: 07:52 pm Apr 09, 2017 FILE - Vehicles seen plying amid smoke and dust,in Chabahill on Sunday, April 9, 2017. Photo: RSS Air pollution Vehicles seen plying amid smoke and dust,in Chabahill on Sunday, April 9, 2017. Photo: RSSÂ #Kathmandu Valley #air pollution #traffic jam