Fog continues to disrupt train and flight operations due to low visibility in the national capital. About 17 flights have been delayed at the Delhi Airport due to prevailing fog conditions on Friday. Also, 62 trains have been delayed, 20 rescheduled and 18 have been cancelled due to low visibility in the capital on Friday. 62 trains in #Delhi delayed, 20 rescheduled and 18 cancelled due to low visibility as fog continues to grip the region: #Visuals from India Gate pic.twitter.com/rKJ7R6WlDf — ANI (@ANI) January 5, 2018 × Air Quality Index of Delhi's Lodhi Road area have been recorded at PM 2.5 & PM 10 and remain in ' very poor' category. Air Quality Index of #Delhi's Lodhi Road area, prominent pollutants PM 2.5 & PM 10 remain in ' very poor' category. pic.twitter.com/HVCPvCmtjV — ANI (@ANI) January 5, 2018 × Delhi experienced the coldest day of the season on Thursday with temperatures falling to 5 degrees Celsius. According to the MeT department, the maximum and minimum temperatures are expected to be around 20 degrees Celsius and 6 degrees Celsius on Friday.