Two days after Diwali, layer of smog continued to envelope the national capital on Friday. Anand Vihar stood at 585, around US Embassy at 467 and RK Puram at 343, all under 'Hazardous' category in Air Quality Index. On November 8, AQI hit as high as 999 near Anand Vihar. Delhi Police has banned entry of medium & heavy goods vehicles in Delhi for 3 days.