The Air Quality Index (AQI) of certain areas in the city was as high as 367 micrograms of pollutant PM2.5 per cubic metre on Tuesday.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cold-air-pollution-take-toll
[2] http://admin.indiaenvironmentportal.org.in/category/author/abhishek-samuel
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-pune-0
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pune-t
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pm-25
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-institute-tropical-meteorology