Jhansi, Nov. 1 -- The city has been ranked as the fourth least polluted city in India, according to the Central Pollution Control Board's data released on Thursday evening through the Sameer App. Jhansi recorded an AQI of 20 ppm. As per the report of 243 cities, Kunjemura in Raigarh district of Chhattisgarh topped the list with 16 ppm, followed by Baripada in Odisha with 18 ppm, and Ooty in Tamil Nadu with 19 ppm. Gangtok (Sikkim) and Nayagarh (Odisha) jointly held fifth position with 21 ppm. The worst pollution levels were recorded in Rohtak (426 ppm), Dehradun (406 ppm), Dharuhera (406 ppm), Delhi (373 ppm), Noida (372 ppm), and Ghaziabad (364 ppm).HTC...