10 Most Polluted Cities in the World in 2024

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In this article, we list the 10 Most Polluted Cities in the World in 2024. If you would like to see the complete list and read our detailed discussion of the topic, you can go to 40 Most Polluted Cities in the World in 2024.

10. Muzaffarpur, India

AQI Ranking: 18

IQAir Ranking: 20

Ranked ten, Muzaffarpur is a city in India best known for its Shahi Lychees. Muzaffarpur’s pollution levels vary significantly every day but mostly stay under the unhealthy domains. In early 2022, the PM2.5 concentration levels in Muzaffarpur’s air were 15.6 times higher than WHO’s set guidelines. Since then, the city’s conditions have not improved much.

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