Q. Which city of Bihar was ranked as the world’s most polluted metropolitan area in the 2023 World Air Quality Report by IQAir?
Answer:
Begusarai
Notes: Begusarai, Bihar, was ranked as the world’s most polluted metropolitan area in the 2023 World Air Quality Report by IQAir, with an average PM2.5 concentration of 118.9 micrograms per cubic meter. The report indicates that almost 96% of India’s population is exposed to dangerous PM2.5 levels, far exceeding WHO guidelines. The poor air quality can lead to significant health risks, including respiratory and cardiovascular diseases.