Between Oct '22 and Sept '23, Delhi most polluted city in country: Report | Delhi News
Patna came a close second on the list with a PM2.5 concentration of 99.7 µg/m3, followed by Muzaffarpur, also in Bihar, with a level of 95.4 µg/m3 during this period.
Uttar Pradesh National Clean Air Programme Pollution Report Pcb Pollution Report Delhi Pollution Report Delhi Air Pollution
Source: indianexpress.com