Rainfall, snowfall, lightning, hailstorms, dense fog and cold wave conditions, driven by a weather pattern and a fresh western disturbance, have been predicted by the Indian Meteorological Department for several parts of the country. In the national capital, IMD has issued a yellow alert for dense fog at isolated places during morning hours. Minimum temperatures are expected to hover around 6–8 degrees Celsius, with cold and foggy conditions likely to impact visibility, in its All India Weather Forecast Bulletin. The IMD has issued a yellow alert for dense fog in 15 districts of the state today. Delhi-AQI todayHowever, the Air Quality Index (AQI) in Delhi remains in the poor category, with levels above 300 in some areas.