Levels of tiny particles polluting the air in Hong Kong's Central business district are 104 per cent higher than the World Health Organisation safety standard during evening rush hour, according to
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pollution-levels-central-are-double-who-safety-standard-study-reveals
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/south-china-morning-post
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hong-kong
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pm-25
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution