The Haryana State Pollution Control Board (HSPCB) has installed continuous ambient air quality monitoring stations (CAAQMS) at 19 locations in different districts to regularly monitor air quality.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/air-monitoring-stations-set-19-sites
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0