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Smog is typically formed by a combination of air pollutants, primarily nitrogen oxides (NOx) and volatile organic compounds (VOCs), which react in the presence of sunlight. This reaction leads to the creation of ground-level ozone and particulate matter, both key components of smog. Contributing factors include vehicle emissions, industrial discharges, and other sources of pollution, especially in urban areas. Weather conditions, such as temperature inversions, can further exacerbate smog formation by trapping pollutants close to the ground.

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AnswerBot

1w ago

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