IAS Target

World Air Quality Report


To measure the presence of fine particulate matter known as Particulate Matter (PM) 2.5 finding of the report:

  • Study of more than 3000 cities, out of which 64 percent of the cities exceeded the World Health Organisation’s permissible limit for PM 2.5. In South Asia itself, 99 percent of the cities exceeded the WHO’s safe standard exposure of 10 micrograms/cubic metre annually.
  • 7 out of 10 cities with highest pollution, are in India.
  • Gurugram is the most polluted cities in the world in 2018, followed by Ghaziabad, Faridabad, Noida, and Bhiwadi in the top six worst-affected cities while Delhi at 11th place.
  • Among the top 30 most polluted cities, India makes up for 22 with five in China, two in Pakistan and one in Bangladesh.
  • The only non-Indian city in the top five list is Faisalabad, Pakistan.
  • Delhi was ranked as the most polluted capital in the world, with Dhaka at second and Kabul at third position.
China made a remarkable improvement since 2013 as the country’s pollution levels have gone down by 40 percent. In 2013, Beijing topped the pollution charts. Beijing ranks now as the 122nd most polluted city in the world in 2018. In Southeast Asia, Jakarta and Hanoi are the most polluted cities.

Steps to reduce pollution and improve air quality:

  • Improving public transport.
  • Limiting the number of polluting vehicles on the road.
  • Introducing less polluting fuel (Bharat VI).
  • Strict emission regulations.
  • Improved efficiency for thermal power plants and industries.
  • Moving from diesel generators to rooftop solar.
  • Increased use of clean renewable energy.
  • Electric vehicles and many other steps like awareness and involve common people to fight pollution which becomes threat to our survival