Thick Fog Shrouds North India, Delhi Records Winter's First Dense Fog Lowering Visibility — IN PICS

Delhi recorded the season's first dense fog lowering visibility to 150 metres and affecting road and rail traffic movement. Commuters ply on the road amid low visibility due to dense smog on a cold winter morning, in New Delhi, Monday, Dec. 19, 2022. (PTI Photo/Atul Yadav)

The Safdarjung Observatory, the primary weather station of the capital, recorded a minimum temperature of 7.2 degrees Celsius. The maximum temperature is likely to settle around 24 degrees Celsius. (PTI Photo/Atul Yadav)

The IMD has predicted dense to very dense fog over the plains in northwest India during the next five days. (PTI Photo/Arun Sharma)

Satellite images showed a thick layer of fog extending from Punjab to east Uttar Pradesh across Haryana and Delhi, the India Meteorological Department said. Commuters ply on the road amid low visibility due to dense smog on a cold winter morning, in Lucknow, Monday, Dec. 19. (PTI Photo/Nand Kumar)

The Met office reported visibility levels of 25 to 50 metres in Amritsar, Patiala, Bareilly, Lucknow and Bahraich early morning. Smoke billows from the chimney of a factory as a thick layer of smog engulfs the city on a cold winter morning, in Ajmer, Monday, Dec. 19. (PTI Photo)

Meanwhile, Pollution levels were high in the national capital with the air quality index (AQI) settling at 409 at 11 am. (PTI Photo/Arun Sharma)