According to Air Quality Report 2023 conducted by Swiss organisation IQAir, Begusarai in Bihar has been identified as the world’s most polluted metropolitan area. New Delhi remains the world’s most polluted capital city for the fourth consecutive year since 2018.
- The Air Quality Report 2023 by Swiss organization IQAir reveals that Delhi’s PM2.5 levels increased from 89.1 micrograms per cubic meter in 2022 to 92.7 micrograms per cubic meter in 2023.
- India ranks third in terms of air quality, with an average annual PM2.5 concentration of 54.4 micrograms per cubic meter, following Bangladesh and Pakistan.
- Over one billion people in India are exposed to PM2.5 levels surpassing the World Health Organization’s recommended annual guideline level of 5 micrograms per cubic meter.
Q: Which city has been ranked as the world’s most polluted capital city for four consecutive years since 2018?
a) Mumbai
b) New Delhi
c) Beijing
d) Tokyo
Ans : b) New Delhi
Q: Which Indian city has emerged as the world’s most polluted metropolitan area?
a) Mumbai
b) Kolkata
c) Chennai
d) Begusarai
Ans : d) Begusarai
