IQAir's 2021 World Air Quality Report released

IQAir's 2021 World Air Quality Report released

Daily Current Affairs / IQAir's 2021 World Air Quality Report released

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Category : Miscellaneous Published on: March 24 2022

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New Delhi has been ranked the world's most polluted capital city for the fourth consecutive year followed by Dhaka (Bangladesh), N'Djamena (Chad), Dushanbe (Tajikistan) and Muscat (Oman).
India ranks five in the most (AQI) polluted nation’s rankings of the UN Environment Programme rankings.
New Delhi saw a 14.6 per cent increase in PM2.5 concentrations in 2021, 96.4 Ig/m3, up from 84 Ig/m3 in 2020. No cities in India met the WHO air quality guideline of 5 lg/m3.
Bangladesh is ranked as the most polluted country, followed by Chad, Pakistan and Tajikistan. India is the fifth most polluted country.
This report has been released by IQAir’s 2021 World Air Quality Report.
IQAir's 2021 World Air Quality Report is the first major global air quality report based on updated annual WHO air quality guidelines for PM2.5.

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