India Meteorological Department (IMD) reported a minimum temperature of 7 degrees Celsius in Delhi on Thursday, along with a forecast of dense fog.

Fog alert! Delhi Airport issued an advisory on December 26 about ongoing low visibility procedures but confirmed no impact on flight operations

In a statement on social media, the Delhi airport confirmed that while landings and takeoffs were ongoing, flights not equipped with CAT III navigation systems could face disruptions

The Delhi Airport on December 25 has issued an advisory informing passengers that flights not compliant with Category III (CAT III) may experience disruptions due to fog. The airport has urged travelers to contact their respective airlines for the most up-to-date information on flight statuses.

The dense fog also affected rail travel, with at least 20 trains to Delhi running late. Visibility in the city was recorded at a mere 100 meters at 5:30 am.

CAT III, or Category III, is an approach system that allows flights to land safely during poor visibility conditions

The Delhi Airport on December 26 has issued an advisory informing passengers that low visibility procedures are in progress. However, it added that there has been no impact on flight operations. In its advisory, it advised passengers to contact the airline concerned for updated flight information.

Delhi Airport said in its advisory on Wednesday morning that flights that are not CAT III compliant may get affected.

Delhi airport has issued an advisory warning of possible flight disruptions due to low visibility caused by fog. Non-CAT III compliant flights may experience delays or cancellations. The airport's CAT III-enabled runway allows safe landings in severe fog.