New Delhi, Jan. 11 -- A cold wave swept across the national capital on Sunday, but it failed to bring any relief from severe air pollution, with air quality remaining in the "very poor" category across most parts of the city.
As per IMD officials, cold wave conditions were realised over Delhi as Palam, Ridge and Ayanagar reported minimum temperatures less than 4.1 degrees centigrade. Cold wave conditions are likely to continue tomorrow as well with a yellow alert.
Data from the Central Pollution Control Board (CPCB) showed Delhi's Air Quality Index (AQI) at hazardous levels, mainly due to high concentrations of fine particulate matter (PM2.5). Jahangirpuri recorded the worst air quality with an AQI of 342, while Anand Vihar followed close...