The capital’s air quality is deteriorating due to smog conditions.
Links:
[1] http://admin.indiaenvironmentportal.org.in/content/delhis-pollution-alarming-levels
[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/air-quality-and-health
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heavy-duty-vehicle
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/trucks
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse