10 Most Air Polluted Cities in the World

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2. Lahore, Pakistan

AQI US: 232

Lahore is one of the most air polluted cities in the world, with the air quality being ‘very unhealthy’ according to IQAir. Health experts advise people in Lahore to use air purifiers inside, and use a mask when outside to protect themselves from air pollutants. The city faces dense smog in winters that reduces visibility and leads to numerous health issues for residents, such as respiratory illnesses.

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