New Delhi, Dec 11 (IANS) Global air quality rankings cited by various organisations are not conducted by any official authority, the government informed the Parliament on Thursday.

In a written reply in the Rajya Sabha, Minister of State for Environment Kirti Vardhan Singh stated that the widely quoted international indices, such as IQAir World Air Quality Report, WHO Global Air Quality Database, Environmental Performance Index (EPI) and Global Burden of Disease (GBD) metrics, are not conducted by any official authority.

These serve only as advisory values, not binding standards.

“The World Health Organisation’s air quality guidelines serve only as guidance and are recommended values to help countries achieve good air quality. However, countries prepare their own air quality standards b

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