India, Nov. 17 -- Delhi's air quality remained 'very poor' for a fourth consecutive day on Monday, with the average air quality index (AQI) recorded at 359 at 8am. It was 377 at 4pm on Sunday, making it a marginal improvement as winds picked up - touching 15 km/hr during the day on Sunday.

Forecasts show Delhi is unlikely to see any relief ahead, with the AQI set to worsen again and touch 'severe' on Monday -- till Wednesday.

"Delhi's air quality is likely to be in the severe category from November 17 till 19. The outlook for the subsequent six days shows the air quality is likely to be between 'severe' and 'very poor' category," said the Early Warning Systen for Delhi (EWS), a forecasting model under the Ministry of Earth Sciences.

De...