Significant ozone built up in Delhi poses health risk: CSE
![](http://admin.indiaenvironmentportal.org.in/files/air_Pollution_delhi_18.jpg)
NEW DELHI: 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
Publication Date:
05/06/2015