Haze envelops Delhi as air turns 'very poor', visibility drops
A blanket of haze and fog enveloped Delhi on Thursday morning as air quality in the city slipped into 'very poor' category. According to the Central Pollution Control Board (CPCB), Delhi recorded an Air Quality Index (AQI) of 357, compared to 279 a day earlier. Visibility also dropped in several parts of the national capital.