A significant ozone build up has been witnessed this summer in several areas of the national capital, including the one where Delhi Chief Minister Arvind Kejriwal resides, increasing the public health risk, a green body warned today. A latest analysis done by Centre for Science and Environment (CSE) on the eve of World Environment Day on June 5 found that the area where Kejriwal resides was "highly vulnerable" to deadly ozone pollution, also "unacceptable" pollution levels were found in Lutyen's Delhi and around hospitals.

