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New Delhi, Kolkata Are the Most Polluted Cities in the World

New Delhi and Kolkata are the most polluted cities in the world. According to the latest State of Global Air report on air quality and health in cities published on August 17, these cities rank the highest when it comes to levels of fine particulate matter, a major air pollutant. Mumbai is 14th on the list.

Several of India’s cities face high levels of air pollution.