Coimbatore: According to the new global urban ambient air pollution ranking released by WHO on Thursday, Chennai is the most polluted city in Tamil Nadu with a global ranking of 314.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/trichy-2nd-most-polluted-city-tn-who-survey
[2] http://admin.indiaenvironmentportal.org.in/category/author/komal-gautham
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-trichy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiruchirapalli-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pm-25
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects