Question

what is photochemical smog​

Answer 1

Answer:

Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities. It tends to occur more often in summer, because that is when we have the most sunlight.

Answer 2

Photochemical smog is a type of a smog produced when ultraviolet light from the sun reacts with nitrogen oxides in the atmosphere.