Delhi has been in spotlight for its poor air quality but towns and villages near industrial clusters and coal mines may be far worse off.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/soil-water-and-air-contaminated-heavy-metals-these-chhattisgarh-villages
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-raipur
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chhattisgarh
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects