A China-based technology company has developed a novel laser-powered device that it says can accurately monitor indoor air quality in real time, and is specially engineered for conditions in India,
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/new-laser-powered-air-quality-monitor-help-fight-pollution
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pm-25
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring