Intro to Climate Science
Photochemical smog is a type of air pollution that occurs when sunlight reacts with pollutants such as volatile organic compounds (VOCs) and nitrogen oxides (NOx) in the atmosphere, forming harmful secondary pollutants like ozone. This phenomenon is most prevalent in urban areas with heavy traffic and industrial activity, where sunlight, heat, and emissions combine to create this type of smog, impacting air quality and public health.
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