Question

what is smog? why is smog common in winters?

Answer 1

fog or haze intensified by smoke or other atmospheric pollutants...........

Answer 2

Smog is a modern time air pollutant. The term smog was coined by the combination of the words smoke and fog.

In recent years it was found that vehicular emissions, industrial emissions, and forest fires would react with the photochemical present in the atmosphere and produce a smoky effect.

This smoky effect consisted of various things such as dirt, smoke, and some harmful chemicals as well.