Ninety-five of the 131 cities covered under the National Clean Air Programme have shown an improvement in air quality, with 21 cities reducing PM10 pollution by more than 40 per cent compared to 2017-18 levels, CPCB data shows. 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.
