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How Far and High Does Vehicle Exhaust Spread?

1 Answers

Hector

07/30/25 6:12am

Toxic substances such as heavy metals and other harmful materials are mostly concentrated within a range of 0 to 1.5 meters above ground level, while gases like carbon dioxide and nitrogen dioxide can disperse to heights exceeding 15 meters. On roadways, vehicle exhaust typically accumulates between 1 to 1.5 meters above the ground. Below is additional information: 1. Composition of Vehicle Exhaust: Vehicle exhaust refers to the waste gases produced during automobile operation, containing hundreds of different chemical compounds. Pollutants include particulate matter (PM), carbon monoxide (CO), carbon dioxide (CO2), hydrocarbons (HC), nitrogen oxides (NOx), lead, and sulfur oxides (SOx). 2. Hazards: In addition to posing direct health risks to humans, vehicle exhaust has profound impacts on the environment. Sulfur dioxide (SO2) in exhaust emits a strong pungent odor and, at certain concentrations, can contribute to acid rain formation, leading to soil and water acidification that adversely affects crop and forest growth.

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