Capital shivers at 6 2°C; AQI improves slightly tribuneindia.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tribuneindia.com Daily Mail and Mail on Sunday newspapers.
Delhi Air Quality: Air Quality Index from 0 to 100 is considered as good, while from 100 to 200 it is moderate, from 200 to 300 it is poor, and from 300 to 400 it is said to be very poor and from 400 to 500 or above it is considered as severe.
Air Quality Index (AQI) in the national capital Delhi on Monday morning came down and stopped at a 'very poor' category, after continuing to slide from the 'severe' category, which was recorded for three straight days last week, said the forecast system SAFAR.