Contrary to previous studies indicating poor air quality around the Golden Temple, the air pollution monitoring system has found that air quality is good in and around the shrine.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/golden-temple%E2%80%99s-air-quality-good-monitoring-station
[2] http://admin.indiaenvironmentportal.org.in/category/author/neeraj-bagga
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/amritsar-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-standards
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0