While the national Capital has had a few good air quality days over the last few months
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/despite-court-order-no-steps-taken-improve-anand-vihar-air-quality
[2] http://admin.indiaenvironmentportal.org.in/category/author/vatsala-shrangi
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-standards
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi-pollution-control-committee-dpcc