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Abstract
One of the dominant sorces of air pollution affecting environmental living quality in urban areas is road traffic-induced air pollution. providing information about traffic air pollution and finding out its disributing is therefore a crucial starting point for planning effective measures to improve air quality. such information helps decision makers to optimized e.g. urban design. in the present work, a line source model, developed in laboratory of envirnoment physics, faculty of science at qena, egypt is proposed to describe the downwind dispersion of pollutants near roadways, at different cities in egypt. the model is adopted compeletly graphical user interface (gui)technique for operating in avarious windows-based microcompyters.