The India Meteorological Department (IMD) has forecast dense to very dense fog to continue across north Indian states till January 2.

In parts of Delhi, Uttar Pradesh, Punjab, Haryana and Chandigarh, according to the IMD’s morning bulletin.

The Met Department stated that fog conditions would not improve before January 2.

A red alert has been issued for fog in Punjab, Haryana and Delhi for today, and an orange alert for tomorrow. Punjab has been given an orange alert warning for December 31 as well. The IMD issued a yellow alert for fog across north Indian states till January 2.According to the latest updates by the Northern Railways, dozens of trains, including Rajdhani Express on the Delhi-Howrah route, are running between 10 and 12 hours late.