The city witnessed high pollution last weekend as the concentration of particulate matter (PM10) suspended in the atmosphere exceeded the permissible limit of 100 micro grams per cubic metre.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/air-pollution-city-rises-eight-fold-over-weekend
[2] http://admin.indiaenvironmentportal.org.in/category/author/n-ravikumar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-chennai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-air-quality
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nitrogen-dioxide
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-and-health