Chennai: The level of respirable suspended particulate matter (RSPM) in ambient air at a traffic intersection in T.Nagar during the 24-hour period ending 6 a.m. on Saturday was 137 microgram/cubic metre.
The permissible limit for RSPM is 100 microgram/cubic metre.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pollution-level-2
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t