New Delhi: Delhi's air quality stayed in the upper range of the very poor category on Saturday, showing little improvement from Friday, as pollution levels hovered near hazardous levels. The city recorded an air quality index (AQI) of 386 at 10 am, rising slightly to 390 by noon, close to the severe category, before settling at 387 by 3 pm. The average AQI for the day was 386, marginally lower than Friday's 387, both classified as very poor. Experts attributed the relative stability to light winds, better ventilation conditions and a lower impact of stubble burning on Friday—8.5% on Nov 14 compared with 12% on Nov 13. However, forecasts indicate that the city may slip back into the severe category by Monday. The centre's Early Warning System (EWS) projected, "Ventilation inde

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