LUCKNOW: The air pollution levels dropped by 23 units in Lucknow but the air quality continued to be 'very poor' on Monday.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pollution-dips-air-still-very-poor-lucknow
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-lucknow
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttar-pradesh
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring