Abstract
The present study examined the effects of air pollutants on people’s health, focusing on dust produced from automobile tires while cars drive on roads. The annual volume of dust resulting from tire wear, calculated based on the number of automobiles registered in Japan, was 1747245.4 m3. To put it simply, this translates to approximately 1.4 times the volume of the Tokyo Dome, a famous Japanese baseball stadium. Particulate substances are categorized into three groups depending on their size, and dust resulting from tire wear is classified into the coarse particle mode along with mold spores, pollen, and dust produced from brake pads. This study examined whether or not tire dust causes health damage similarly to pollen, a particulate substance in the same group. There were 38/cm2 dust particles resulting from tire wear on a busy road in Osaka Prefecture, and this number was larger than that of cedar pollen/cm2 (35), a cause of hay fever, identified in Hokkaido. The results suggest that tire dust may also adversely affect the health of people if any of its constituents has a toxicity or causes allergies.
Highlights
In Japan, the automobile industry was established after World War II
The present study examined the effects of air pollutants on people’s health, focusing on dust produced from automobile tires while cars drive on roads
The annual volume of dust resulting from tire wear, calculated based on the number of automobiles registered in Japan, was 1747245.4 m3
Summary
In Japan, the automobile industry was established after World War II. Approximately 60 years have passed since its establishment, and the Japanese automobile industry is the global leader in this field.With the development of the Japanese automobile industry, the problem of air pollution caused by automobiles has become serious, and detailed environmental standards have been established in accordance with the law. In Japan, the automobile industry was established after World War II. 60 years have passed since its establishment, and the Japanese automobile industry is the global leader in this field. With the development of the Japanese automobile industry, the problem of air pollution caused by automobiles has become serious, and detailed environmental standards have been established in accordance with the law. There are emission standards for environmental protection, and automobile-related companies, including manufacturers, have implemented efforts to comply with them. Exhaust gas is not the only substance emitted from automobiles. Friction between the tires and road produces dust, and the brake pad is worn each time the brake is applied
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