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Wet deposition acts crucial task in the environment to supply nutrients and toxic essence to terrestrial and aquatic surroundings. Wet deposition absorbs pollutants from the environment and adds drastically to their pollutants transport. A comprehensive analytical model for the distribution of air pollutants with chemical reaction and wet deposition for line source is developed. This analytical model explains about diffusion of primary pollutants transmitted from line source in an urban area in the existence of chemical reaction and wet deposition. We have considered the large scale wind as constant and eddy diffusivity is treated as function of vertical height z. In this paper, we used variable separable method, orthogonality condition of Bessel function and the special functions method. Chemical reaction and wet deposition escalate the diffusion of pollutants in the environment in the urban area towards right side of centre of heat Island. The pollutant concentration is less in magnitude for neutral atmosphere when compared to the stable atmosphere situation. This work reveals that pollutant concentration is less in the presence of wet deposition an urban area.

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