Extreme cold temperatures and foggy conditions affect your heart health in many significant ways. In cold weather, your body naturally works to conserve heat, causing blood vessels to constrict and putting additional strain on your heart.

Dense fog and a cold wave gripped Delhi on Saturday, severely reducing visibility and disrupting flights. The temperature rose slightly to 10.2°C from 9.6°C the previous day. The city's AQI worsened,

According to the India Meteorological Department, Delhi recorded 10.2 degrees Celsius at 5.30 am on Saturday. At this time yesterday, the city's temperature was 9.6 degrees Celsius.

For the second consecutive day, a thick layer of fog has covered north India, dropping temperatures and disrupting train, and flight operations in several states.

A dense fog amid a cold wave disrupted flights, trains, and road traffic across North India, delaying over 150 flights, cancelling 30 at Delhi Airport, and causing widespread inconvenience.