WebPhotochemical smog is a type of smog produced when ultraviolet light from the sun reacts with nitrogen oxides in the atmosphere. It is visible as a brown haze, and is most prominent during the morning and afternoon, … WebPhotochemical smog is a major contributor to air pollution. The word "smog" was originally coined as a mixture of "smoke" and "fog" and was historically used to describe air pollution produced from the burning of coal, which released smoke and sulfur dioxide. Nineteenth and 20th century London was particularly well-known for this type of air ...

Photochemical Smog: Formation, Effects, and Reduction

WebTranscript. NARRATOR: This brownish haze, photochemical smog hanging over Los Angeles, results from a combination of factors: the city's plentiful sunshine, high density of automobile traffic, and frequent temperature inversions that trap polluted air. These occur as often as five days a week, when air that is heavy with industrial emissions ... inconsistency\\u0027s fn

7.4: Smog - Chemistry LibreTexts

WebSmog (sometimes also referred to as photochemical smog) can be defined as a type of visible air pollution that is usually composed of ozone, smoke, nitrogen oxides and sulfur … WebApr 16, 2024 · Today, photochemical smog, also called ground-level ozone or summer smog, is much more common. It predominantly occurs in urban areas, as the nitrogen oxides necessary for its creation come from car exhaust. In the presence of sunlight and heat, nitrogen oxides and volatile organic compounds undergo what’s called a photochemical … WebPhotochemical smog is a brownish-gray haze caused by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen. It contains … inconsistency\\u0027s fh