Site navigation

According to the WHO's 2018 global urban air-quality database, which city was recorded as the most polluted megacity in the world?

Question and options

According to the WHO's 2018 global urban air-quality database, which city was recorded as the most polluted megacity in the world?
  1. Beijing
  2. Cairo
  3. Delhi
  4. Hong Kong

Answer and explanation

Correct answer: C - Delhi
In the WHO's 2018 global urban air-quality database, Delhi had the highest PM levels among the world's megacities (populations above 14 million), followed by Cairo and Dhaka.

Practice for these exams

  • CUSAT Three-Year LL.B.

  • Bihar Judicial Services

    Subject revision

  • Uttarakhand Judicial Services

    Subject revision

Related question papers

Related exam syllabi

More solved explanations in Environment & ecology (general)