NEW DELHI, NOV 12: The air quality in Delhi on the morning of Diwali saw a marginal dip and remained in the ‘poor’ category, according to the Central Pollution Control Board (CPCB). The Air Quality Index (AQI) stood at 266 in Anand Vihar, at 241 in RK Puram, at 233 in Punjabi Bagh and at […]Continue Reading