Abstract
The ultimate objective of a regional air pollution study is to formulate management plans so as to prevent deterioration of air quality. Required for this purpose primarily are Air Quality simulation Models (AQMs) which can relate various control inputs to resultant air pollution concentration. The management strategies are based on the spatial criteria of air resource and therefore the potential contribution of Geographical Information System (GIS) with its visual support will be most useful at the analysis, forecasting and plan formulation stages. The well validated United States Environmental Protection Agency (USEPA) models viz. PEM2 and TRIAD, have been utilized for urban air quality modelling in this study. An indigenously developed GIS software GRAM has been used for the analysis. The integration of GIS and AQM into a spatial decision support system was carried out for visual simulation of air quality. The highly industrial region of Chembur in Bombay (India) has been identified as the study area as it has acquired notoriety as a region of very poor air quality. The integrated approach has been applied to various management scenarios of an industry in this region.
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