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New Delhi becomes world’s most polluted capital city for third consecutive year

Date: 17 March 2021 Tags: Reports & Indices
  • New Delhi was the world’s most polluted capital for the third straight year in 2020, according to IQAir, that measures air quality levels based on the concentration of lung-damaging airborne particles known as PM2.5.
  • India was home to 35 of the world’s 50 most polluted cities, according to IQAir’s 2020 World Air Quality Report, which gathered data for 106 countries.
  • The findings were based on the country’s annual average of particulate matter PM2.5, airborne particles with less than 2.5 microns in diameter.
  • Prolonged exposure to PM2.5 can lead to deadly diseases, including cancer and cardiac problems.
  • Despite an 11% reduction in the annual average of PM2.5 levels due to nationwide coronavirus lockdown curbs imposed last year, India emerged as the world’s third most polluted country after Bangladesh and Pakistan.