Air quality report 2020

(GS PAPER-3, Environmental pollution and degradation

SOURCE- The Hindu)

 Context

  •  The world air quality report prepared by Swiss organisation  IQAir  mentions that 22 of the top 30 most polluted cities globally are in India.
  •  The report aggregated  add PM 2.5 Data from 106 countries. 

Key Points-

  • Delhi has been ranked as the world’s most polluted Capital city followed by Dhaka Ulanbator Kabul and Doha
  • Hotan in China  if the most polluted city with an average concentration of 110.2 to microgram per metre cube followed by Ghaziabad at Uttar Pradesh at 106

 scenario in India

  •  It shows a boost in Delhi’s air quality by approximately 15% from 2019 to 2020
  • Delhi has been listed as the tenth most polluted city and the top polluted capital city in the world
  • However every city in India observed air quality improvements compared to 2018 and earlier while 53% from direct improvements against  2019

-Khyati Khare

     Download Daily Current Affairsof 19th March 2021