India, Dec. 2 -- The district's air quality retained its "poor" category reading for the third day after a brief improvement caused by a change in weather conditions. The district's Air Quality Index rose from 245 on Sunday to 275 at 4pm on Monday, according to the Central Pollution Control Board. On Saturday, the AQI stood at 262.

Teri Gram remained the worst affected monitoring station with an AQI of 306, driven primarily by high PM2.5 concentrations. Other stations in Sector 51 (299), NISE Gwal Pahari (280) and Vikas Sadan (230) also recorded "poor" air. On Sunday, IMD officials described the temporary improvement to "favourable weather conditions", with AQI staying "moderate" in Sector 51 (195) and "poor" in Vikas Sadan (241), NISE G...