Current Affairs - National - Discussion
Discussion Forum : National - Latest Current Affairs (Q.No. 3781)
3781.
According to air pollution data released by United States Air Quality Index 2020, which city topped in world's most polluted cities?
Answer: Option
Explanation:
Lahore ranks the most polluted city in the world, according to air pollution data released by the US Air Quality Index. It's reported a particulate matter (PM) rating of 423.
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