Singapore's air pollution hit levels classified "unhealthy" on Friday, the government's National Environment Agency said on its website. (www.haze.gov.sg [2])
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/singapores-air-pollution-rises-unhealthy-level
[2] http://www.haze.gov.sg
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/reuters
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/singapore
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indonesia