A thick layer of fog stretching from Punjab to Bihar reduced visibility across the Indo-Gangetic plains on Friday morning, with the India Meteorological Department (IMD) issuing a red alert for Delhi and warning that road, rail and air traffic may be affected.
IMD officials said satellite imagery showed a dense fog cover over Punjab, Haryana, Delhi, Uttar Pradesh, northeast Madhya Pradesh and
Bihar.
At 5.30 am, visibility was recorded at zero metres in Agra, Bareilly, Saharanpur and Gorakhpur in Uttar Pradesh; Ambala, Amritsar, Bathinda, Ludhiana and Adampur in Punjab; Safdarjung in Delhi; Ambala in Haryana; Gwalior in Madhya Pradesh; Bhagalpur in Bihar; and Daltonganj in Jharkhand.
The IMD issued a red alert for Delhi, warning that fog may disrupt operations at some airports and affect highways and railway routes.