After a World Health Organisation report ranked Mumbai as the fourth most polluted megacity in the world, an Air Quality Index (AQI) data released by the Maharashtra Pollution Control Board (MPCB)
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mpcb-mumbais-air-quality-moderate-till-apr-year
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lung-disease
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heart-diseases