Delhiites woke up to a thick blanket of smog on Monday with the air quality index (AQI) deteriorating further in the national capital region (NCR).
Links:
[1] http://admin.indiaenvironmentportal.org.in/content/delhi-air-quality-takes-hit
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-air-quality
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse