Delhi-NCR air quality remains in 'poor' categoryNew Delhi: A layer of smog covered Delhi-NCR Saturday morning, with the Air Quality Index (AQI) in the national Capital registering a ‘poor’ rating two days after Diwali celebrations, despite a government-imposed firecracker ban. According to the Central Pollution Control Board (CPCB), Delhi’s average AQI was 294 at 7:30am Saturday, with 18 areas reporting AQI […]