It is well known that air pollution, particularly particulates, originating from multiple sources (industries, vehicles, rocks, mining and quarry), represents a threat to environment as well as human health.Environmental contamination and human exposure with respect to dust pollution have dramatically increased during the past ten years.However, no systematic study has been done in ecologically sensitive hilly regions like Aizawl, Mizoram, North-East India which is also an integral part of extremely diverse Indo-Burma hot spot region. No comparative study has been done to study the impacts of...