“The predominant surface wind was coming from the west of Delhi. On Sunday, the wind was up to 12 kilometres per hour (kmph) and the sky was mainly clear. The predominant surface wind is likely to be coming from the south-east and north-west direction of the national capital on Monday. The wind speed is likely to be up to 10 kmph on Monday morning accompanied by a clear sky and mist,” said a statement from the Union Ministry of Earth Sciences’ air quality early warning system.