• World Health Organization (WHO) conducted a study on air pollution across 134 nations, revealing only seven countries with clean air: Australia, Estonia, Finland, Granada, Iceland, Mauritius, and New Zealand.
  • Air pollution is a global concern, causing about 7 million deaths annually, surpassing the combined deaths from AIDS and malaria.
  • Bangladesh, Pakistan, India, Tajikistan, and Burkina Faso are the top five most polluted countries, with pollution levels exceeding WHO guidelines by 10 to 15 times.
  • Among 7,800 cities globally analyzed, 99 cities with the worst air pollution are in Asia, with 83 of them located in India.
  • Begusarai, Bihar, India, ranks as the most polluted city globally, followed by Goha in Assam and New Delhi. Factors contributing to air pollution include vehicle traffic, crop burning, wood burning, and fossil fuel emissions.