According to the Central Pollution Control Board, average Air Quality Index (AQI) in Delhi-NCR at 5 p.m. on Sunday was 292 compared with 298 on Saturday, both considered "poor".
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/delhi%E2%80%99s-air-quality-improves-stubble-burning-punjab
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crops
[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/centre-science-and-environment-cse
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-pollution-control-authority-epca
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-meteorological-department-imd