India is said to be the 8th most polluted country in the world

The Global Air Quality report published by Swiss firm IQAir reveals India as the 8th most polluted country in the world, a slight improvement from its fifth position earlier. The report states that two Indian cities, Delhi and Bhiwadi, are among the top polluted cities globally, with PM2.5 level at 92.6 and 53.3 respectively. In total, 39 out of 50 of the most polluted cities worldwide are in India. Conversely, Australia, Estonia, Finland, Grenada, Iceland and New Zealand abide by the WHO PM2.5 guideline of maintaining an annual average PM 2.5 level of 5 aug/m3 or less.

IMPORTANT POINTS TO REMEMBER

  1. Understand the significance and impact of air pollution on the environment and human health.
  2. Study the managed countries' strategies to meet the WHO guidelines for PM 2.5 pollution level.
  3. Examine the specific causes that lead to high pollution levels in India.
  4. Analyse the strategies and measures that India could adopt to meet the WHO PM2.5 guideline in the future.
  5. Look at the changes in pollution levels in Indian cities over time.