Aam Aadmi Party (AAP) on Thursday said the "first of its kind" 25-metre-high smog tower will be inaugurated in Delhi's Connaught Place on August 23 by CM Arvind Kejriwal. The party added that the smog tower has an air purification capacity of 1,000 cubic metre/second and 40 wings that will emit purified air in around one square kilometre area.