The Central Pollution Control Board released a list of pollution levels on Monday in Indian cities. Karnataka's Madikeri reported the cleanest air on Monday with an AQI of 11. It is followed by Shillong (16), Naharlagun (17), Tirunelveli (21), Raipur (24), Karwar (25), Agartala (26) and Solapur (26). Only two cities, Greater Noida (201) and Visakhapatnam (283), reported poor AQI.