Air quality worsens in Delhi, Ozone level 3.4 times above normal: CSE Study
![](http://admin.indiaenvironmentportal.org.in/files/Air_P_rep_6.jpg)
Already dealing with the high particulate matters in the air, the national capital this summer has witnessed an alarming build-up of ozone, a Centre for Science and Environment (CSE) study said on
Publication Date:
05/06/2017