The pollution level during Diwali has been falling since last 10 years, claimed environment secretary of Delhi government Keshav Chandra on Thursday.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/less-pollution-diwali
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-monoxide
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-air-quality
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi-metro-rail-corporation-dmrc
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution