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The book describes effects of air pollutants on some plants studied at four residential and seven commercial locations. The effect of four air pollutants namely SPM, RSPM, SOx and NOx were ascertained on Azadirachta indica, Cassia fistula, Ficus religiosa, Delonix regia and Polyalthia longifolia plants growing on road sides at 11 selected locations with a control (non-polluted) site. Variation in concentrations of these pollutants in relation to years, seasons and locations is explained with appropriate statistical treatment. Effect of air pollutants on plants have been given in terms of...