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