On Monday, 15 trains were cancelled, 20 rescheduled and 56 delayed. Hundreds of passengers were also left stranded for hours at the Indira Gandhi International (IGI) Airport. Over 300 flights were delayed and eight cancelled as dense fog hampered the visibility.
The fall in mercury comes as Delhi struggles to combat air pollution. The Met department had predicted the air quality index will worsen in the coming days. Currently, the air quality in Delhi falls under ''very poor'' category.
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