Diwali, this year, is 11 days earlier than last year and Delhi might see a little respite since temperatures have, as of yet, not dipped as much as they had last year.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/meanwhile-amid-crop-burning-season-air-quality-worsens
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crops
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nasa
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-standards