Although its air quality improved marginally, the National Capital remained the most polluted city.
Patna is the second most polluted city that saw a 24 per cent deterioration in air quality compared to the previous year.
Muzaffarpur ranked as the third most polluted city.
Faridabad recorded a PM 2.5 concentration of 89 micrograms per cubic metre.
Noida, another NCR city made it to the list. It is the fifth most polluted city in India.
Ghaziabad is also featured in the list as the sixth most polluted city in the country.
Meerut was also featured among the top 10 most polluted cities ranking at seventh position.
Nalbari, situated in Assam is the eighth most polluted city.
West Bengal's Asansol is the ninth most polluted city.
The list also features Gwalior as the tenth most polluted city.
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