3Photo© hindustantimes.comSurat takes top spot in air quality rankings followed by Jabalpur, Agra
The Central Pollution Control Board (CPCB) also said that only 18 of the 131 National Clean Air Programme (NCAP) cities adhered to the National Ambient Air Quality Standards (NAAQS) for PM10, set at 60 micrograms per cubic metre.
The 21 cities and urban agglomerations that achieved more than 40 per cent reduction in PM10 pollution are Varanasi, Dhanbad, Byrnihat, Bareilly, Firozabad, Dehradun, Tuticorin, Nalagarh, Moradabad, Khurja, Trichy, Kohima, Lucknow, Kanpur, Kadapa, Sivasagar, Sunder Nagar, Agra, Greater Mumbai, Rishikesh and Parwanoo.
Fourteen cities, -- Ahmedabad, Ghaziabad, Rajkot, Jalandhar, Raebareli, Amritsar, Kolkata, Jammu, Silchar, Vijayawada, Naya Nangal, Dimapur, Baddi and Jodhpur -- reduced PM10 pollution by 30-40 per cent, compared to 2017-18 levels.