Thirdhand Smoker Resource Center
thirdhandsmoke.org
June 15, 2026, 11:21 a.m.
Thirdhand smoke refers to the residual toxins left behind on surfaces and in dust after cigarette smoke has dissipated. These harmful chemical residues cling to clothing, furniture, walls, and other materials, posing significant health risks long after smoking has ceased. Unlike secondhand smoke, thirdhand smoke exposure occurs through direct contact with contaminated surfaces and inhalation of resuspended particles. This emerging public health concern particularly affects infants, children, and vulnerable populations. The Resource Center provides comprehensive information addressing common questions about thirdhand smoke's composition, health impacts, and contamination patterns. Educational resources emphasize prevention strategies and remediation methods to reduce exposure in homes, vehicles, and public spaces, supporting informed decision-making regarding indoor air quality and environmental health.