Tire wear particles as a source of aerosolized microplastics and their ability to act as ice nucleating particles

Tire Wear Particles' Environmental Distribution and Potential Threats to Human Health

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Researchers reviewed the environmental distribution and health hazard profile of tire wear particles, highlighting that their complex rubber-carbon black-additive matrix—particularly the chemical 6PPD-quinone, which is acutely lethal to coho salmon below 1 µg/L—distinguishes them toxicologically from conventional microplastics and demands specialized monitoring and risk assessment frameworks.

Tire-wear Particles as a Major Component of Microplastics in the Environment

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Researchers analyzed non-exhaust traffic particles along busy German roads using microscopy and SEM-EDX, finding that tire-wear particles dominate coarse airborne particulate matter and accumulate additional hazardous metals from brake and road abrasion, making them a major and chemically complex microplastic pollutant in aquatic environments.

Measurement and distribution of airborne microplastics: A review of their impact on pollutant transport

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Researchers reviewed how airborne microplastics act as transport vehicles for heavy metals, volatile organic compounds, and other pollutants, finding that their large surface area and hydrophobic nature enable long-distance contamination spread through the atmosphere, amplifying environmental and health risks beyond what microplastics cause alone.

Atmospheric Microplastics: Research Progress on Monitoring, Environmental Processes, and Health Risks

Measures to reduce the spread of microplastic particles from tyre wear : On vehicles, on the road and in the roadside environment

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Researchers reviewed measures to reduce the spread of microplastic particles from tyre wear at the vehicle, road, and roadside environment levels, examining the transport pathways via air, water, and snow and the risks these persistent, potentially toxic particles pose to ecosystems and human health.