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Two out of top 5 world’s most polluted cities in India, Delhi ranks 11th

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WHO reported that India is home to four of the five cities in the world with worst air pollution.

2 most polluted cities out of top 5: pollution cities

  • Gwalior – 2nd
  • Allahabad – 3rd

Other Two Indian Cities:

  • Patna – 6th
  • Raipur – 7th

The dirtiest air was recorded at Zabol in Iran

WHO experts reported that India faces a “huge challenge”, many countries are so bad that they have no monitoring system and cannot be included in its ranking.

Delhi ranks 11th

  • Measured by the amount of particulate matter (PM) under 2.5 micrograms found in every cubic metre of air, with an annual average PM 2.5 measurement of 122.
  • Due to toxic air by limiting the use of private cars on the road for short periods

Tiny particulate matter can cause

  • i. Lung cancer
  • ii. Strokes
  • iii. Heart disease

The WHO stated that more than 7 million premature deaths occur every year due to air pollution, 3 million of them due to outdoor air quality.

80 per cent of world’s city dwellers breathing bad air: United Nations reported

Causes of air pollution:

  • Diesel-fuelled vehicles
  • Heating and cooling of big buildings
  • Waste management
  • Agriculture and the use of coal or diesel generators for power

About WHO:

Specialized agency of the United Nations that is concerned with international public health

  • Headquarters: Geneva, Switzerland
  • Founded: April 7, 1948
  • Head: Margaret Chan