New Delhi: A woman takes a morning walk amid rising pollution on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: A man takes a morning walk amid rising pollution on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: People wearing warm clothes take a morning walk amid rising pollution on a cold winter morning at Kartavya Path in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: A man wearing warm clothes rides his scooty amid rising pollution on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: People walk along the road amid rising pollution on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: Commuters make their way through fog amid rising pollution on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: People warm their hands near a bonfire on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: A woman waits for the bus at the Udyog Bhawan bus stand on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: Dense smog engulfs VMMC & Safdarjung Hospital amid rising air pollution levels in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: Commuters make their way through fog amid rising pollution on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)

New Delhi: Commuters make their way through fog amid rising pollution on a cold winter morning in New Delhi, Saturday, December 13, 2025. (Photo: IANS/Deepak Kumar)