India, April 5 -- In a rare April occurrence, parts of Delhi-NCR were enveloped in haze or shallow fog on Saturday morning, with experts attributing the unusual phenomenon to a combination of recent spells of rain, falling night temperatures and high moisture that created condensation near the surface in the early hours.

Experts said the misty start to the day was the result of multiple factors interacting over the past 48 hours.

Mahesh Palawat, president at Skymet Weather, said that light rain on Friday increased moisture levels, while a slight dip in temperatures and relatively clear skies overnight were conducive for condensation and shallow fog. "Hazy conditions were seen in parts of Delhi NCR as the temperature reduced and it raine...