Sunday proved to be an exception, nationally, on the Central Pollution Control Board (CPCB) daily air quality index (AQI) list.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ahmedabads-air-2nd-worst-faridabad-tops-list
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-ahmedabad
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gujarat
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ahmedabad-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-and-health
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/faridabad-t
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects