Q1. According to IQAir, which city was recently ranked as the most polluted city globally in 2023?
Explanation
For the 2023 IQAir ranking referred to in the CET paper, Begusarai in India was listed as the most polluted city globally. Dhaka is often discussed for severe air pollution, but it is not the city asked for in this ranking. Pokhara in Nepal is not the cited global topper. New Delhi regularly appears in pollution discussions and city rankings, yet the specific 2023 IQAir city result in the question points to Begusarai. The answer is kept as per the official key for the 2024 paper.
