Revised National Ambient Air Quality Standards 2009 released by the Ministry of Environment and Forests. As per these norms, the residential & industrial areas will have the same standards. Includes limits for benzene, ozone, benzopyrene, arsenic, nickel and ammonia not covered in 1994.

See Also

Document: National Ambient Air Quality Standards 1994
www.indiaenvironmentportal.org.in/node/291574

Document: Draft of ambient air quality criteria/standards
www.indiaenvironmentportal.org.in/node/266164

Feature: On the shelf?
www.indiaenvironmentportal.org.in/node/263893

Report: Air quality trends and action plan for control of air pollution from seventeen cities
www.indiaenvironmentportal.org.in/node/256383

Report: Air quality management in Delhi, India: then, now, and next
www.indiaenvironmentportal.org.in/node/276356

Report: Source apportionment of particulate matter for air quality management
www.indiaenvironmentportal.org.in/node/273092