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Delhi and Kolkata are the world’s two most polluted cities based on PM 2.5 exposure

Kaushiki Ghosh -
Two of the world's most polluted cities are located in India. Delhi and Kolkata are placed highest in pollution due to fine particulate matter,...
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Kaushiki Ghosh
Delhi and Kolkata are the world's two most polluted cities based on PM 2.5 exposure

Delhi and Kolkata are the world’s two most polluted cities based...

Two of the world's most polluted cities are located in India. Delhi and Kolkata are placed highest in pollution due to fine particulate matter,...
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