8 Most Polluted Cities Across The World

The new report by the Health Effects Institute's (HEI) State of Global Air Initiative said Pakistan's Karachi is the 8th most populated city.

Nigeria's Lagos recorded 66.9 levels of PM 2.5, making it the 7th most polluted city.

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Jakarta in Indonesia recorded PM 2.5 level at 67.3.

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Dhaka in Bangladesh was placed at number 5 with a 71.4 level of PM 2.5.

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Lima in Peru comes at the 4th spot with a PM 2.5 level of 73.2.

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Nigeria's Kano is the third most populated city in the world due to the average PM 2.5 level at 83.6.

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India's Kolkata stands at the 2nd spot due to the average PM 2.5 level at 84.

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Delhi got the worst score due to the PM 2.5 level at 110, annually.

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