While the thick blanket of fog engulfed Delhi on Sunday, air quality remained “severe” with four-fold increase of pollutant values.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/delhi%E2%80%99s-air-pollution-increases-four-fold
[2] http://admin.indiaenvironmentportal.org.in/category/author/sapna-singh
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/pioneer-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[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/pm-25
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/benzene
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution