India has the worst air quality in the world, beating even its neighbour China, according to an annual survey based at Yale and Columbia universities in the United States.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/india%E2%80%99s-air-worst-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/dawn-pakistan
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/remote-sensing
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/respiratory-diseases
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infectious-diseases
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cancer
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nepal
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan