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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