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In news:

  • A recent study by Indian Institute of Technology (IIT), Delhi in collaboration with University of California in Berkeley, Urban Emissions, Delhi and the University of Illinois, Urbana-Champaign, has pointed out that the use of firewood, kerosene and coal in the households contributed to about 40% of the PM 2.5 pollution in the Gangetic
    basin districts.


  •  By eliminating household emissions the average outdoor air pollution levels could be reduced and brought within the national ambient air quality standards.As of early 2016, nearly half of the Indian population was reliant on biomass for household fuel.
  •  If all households transitioned to clean fuels, about 13% of premature mortality in India could be averted, which is equivalent to saving about 270,000 lives a year.
  •  In 2015, India’s average annual air pollution level was 55 micrograms per cubic meter (ug m-3) of fine particulate matter.
    Levels in New Delhi, by many estimates, the most polluted city in the world, often soared beyond 300 ug m-3.
  •  Using satellite data and chemical transport model simulations, the researchers pointed out that complete mitigation would bring down the country’s average annual PM 2.5 air pollution to 38 microgram/cubic metre.
  •  India’s national ambient air quality standard -40 ug m-3
  •  World Health Organization (interim target 1) standard -35 ug m-3

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