Identification of Air Pollution Potential Areas and its Temporal and Spatial patterns of the City of Colombo - Applying GIS and RS

摘要

Air pollution is a universal problem. All nations are answerable for this problem in different levels. Human activities, which are not properly prearranged, whether primary secondary or tertiary degraded the quality of air in any area. This study attempted to identify the spatial and temporal patterns of the air quality of the city of Colombo and influences of the socio-economic factors, using secondary data available in different government organizations. It has identified that there is a spatial concentration and temporal variations of the No_2 in the city of Colombo. Among the socio-economic factors, traffic density has been identified as the most contributing factor for the degraded the air quality.