New Delhi, Jan 17: Delhi and its neighbourhood regions – Noida and Gurugram – woke up to a thick blanket of fog on Wednesday morning. The services of trains and flights were affected due to poor visibility. The maximum temperature is expected to be around 25 degree Celsius today. Also Read - With 1379 Cases in 24 Hours, COVID-19 Tally in Delhi Crosses 1 Lakh-mark; Centre Says Positivity Rate Declines | Key Points

A total of 21 trains are running late on Wednesday whereas, four others have been rescheduled and 13 stands cancelled due to low visibility and operational reasons. Also Read - 'Please Donate Plasma': Arvind Kejriwal's Humble Request as Delhi Crosses 1 Lakh-mark in COVID-19 Cases

Severe cold conditions are expected to continue in Delhi-NCR over the next few days, the Indian Metereological Department has claimed.

Air Quality Index at Terminal 3 of Indira Gandhi International Airport in Delhi remained poor. Major pollutants PM 2.5 was recorded at 201 and PM 10 at 220 on Wednesday.

Earlier on Tuesday, 39 trains, to and from Delhi, were delayed and 13 cancelled. Four trains were rescheduled because of fog and operational reasons. The Air Quality Index at Delhi’s Lodhi Road remained to be in ‘poor’ category with the concentration levels of PM 2.5 at 229 and PM 10 at 249.

On Tuesday, Delhi recorded a maximum temperature of 25.5 degrees Celsius, six notches above the season’s average.