On bad days, students are asked to stay indoors at school and plumes of dust hover above the streets.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/brooklyn-dust-pollution-worsening-says-epa
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/sydney-morning-herald
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/australia
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who