20 Most Polluted Cities in the World
| January 2, 2017
Patna, India
Coming in second only to New Delhi, Patna is another Indian city that faces dangerous levels of pollution that are 6 times higher than the limit set by the World Health Organization.
Vehicles cause around 70% of the city’s air pollution and children in particular are suffering from respiratory ailments, dysentery and diarrhoea.
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