As per the Swiss organisation IQAir’s ‘World Air Quality Report, 2020’, which of the following is the most polluted capital city in the world?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Delhi.
- The 2021 World Air Quality Report for the fourth consecutive year finds New Delhi as the most polluted capital city (and fourth most polluted city) in the World followed by Dhaka in Bangladesh, N'Djamena in Chad, Dushanbe in Tajikistan and Muscat in Oman.
- New Delhi saw a 14.6% increase in PM2.5 concentrations in 2021 with levels rising to 96.4 μg/m3 from 84 μg/m3 in 2020.