To find out the response of certain locally available tree species to air pollution in the industrial city Tirupur, the plants have been studied by pooling the characters such as chlorophyll, moisture and ascorbic contents of leaves and pH of leaf extract. Of the 35 species analysed, 7 species viz., Aegle marmelos, Azadirachta indica, Ficus benghalensis, F. religosa, Holopetea integrifolia,
... [Show full abstract] Pongamia pinnata and Tamarindus indica registered higher APTI (Air Pollution Tolerance Index) values. The plantation of such species in polluted areas is suggested to reduce the effect of air pollution in Tirupur city.