There is a possibility of dense fog in the yellow alert areas, which may affect road, rail and air traffic in the morning and late night. Kaushambi, Prayagraj, Fatehpur, Pratapgarh, Sonbhadra, Mirzapur, Chandauli, Varanasi, Sant Ravidas Nagar, Hardoi, Farrukhabad, Kannauj, Kanpur Dehat, Kanpur Nagar, Unnao, Lucknow, Barabanki, Rae Bareli, Amethi, Ayodhya, Baghpat, Meerut, Agra, Firozabad, Mainpuri, Etawah, Auraiya and surrounding areas. The effect of fog will be clearly visible.
