New Delhi, May 5 -- Strong overnight winds and scattered light showers cooled Delhi on Monday and sharply improved air quality, with the air quality index (AQI) dropping to 88 (satisfactory), the lowest it has been since last October.

The storm, driven by a western disturbance affecting the region, saw wind speeds touch up to 70km/hour between 11.30pm on Sunday and 12.30am on Monday. The winds disrupted flight operations at Indira Gandhi International Airport, with 24 flights diverted to nearby airports, officials said.

Delhi's AQI stood at 88 on Monday, a sharp drop from 175 ('moderate') a day earlier and the lowest since October 8 (80) last year. This is also the lowest in the month of May in three years, since the 85 ('satisfactory')...