Question

    Which city was declared the world’s most polluted city

    with PM2.5 levels reaching 266 micrograms per cubic metre?
    A New Delhi Correct Answer Incorrect Answer
    B Lahore Correct Answer Incorrect Answer
    C Beijing Correct Answer Incorrect Answer
    D Hanoi Correct Answer Incorrect Answer
    E Dhaka Correct Answer Incorrect Answer

    Solution

    Hanoi topped the pollution list due to severe smog caused by traffic, industrial activities, and trash burning.

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