Delhi-NCR turns into gas chamber as pollution remains in 'severe' category, AQI crosses 400-mark in several areas
New Delhi, Nov 15 (IANS) The Air Quality Index (AQI) in Delhi-NCR remained in the 'severe' category on Saturday as the residents woke up to another day of choking smog. The Air Quality Early Warning System (EWS) recorded the city's AQI at 386, while private air quality monitor AQI.in pegged it at 470.