Sunita Narain says that ozone pollution increases risk in Delhi, which is dangerous for health.
Links:
[1] http://admin.indiaenvironmentportal.org.in/content/ozone-pollution-increases-risk-delhi-which-dangerous-health
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere-and-ozone-layer
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-and-health
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sunita-narain
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse