MUMBAI: A week after 'almost clean' air, the city's air quality index on Sunday reached the 'poor' category.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mumbai-air-quality-slips-%E2%80%98poor%E2%80%99-level
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-meteorological-department-imd