The air quality across the national capital witnessed some relief as Delhi recorded an overall Air Quality Index (AQI) of 299, in the ‘poor’ category on Wednesday morning, according to the data recorded at 7:00 AM by the Central Pollution Control Board (CPCB). (Pics/PTI)

BS6-non-compliant vehicles have been barred from entering the national capital under the Graded Response Action Plan (GRAP-II). (Pics/PTI)