What can we do about thirdhand smoke?
Featured Story
Can I remove thirdhand smoke from my home?
You can remove thirdhand smoke from some objects - but...
Read MoreMust Read Stories

What should I ask before buying a home to avoid purchasing a thirdhand smoke polluted house?
To buy a house free of thirdhand smoke pollution, make sure no previous residents smoked in the home.

How can I prevent buying a used car polluted with thirdhand smoke?
Before you “sign on the dotted line,” take these steps to help you determine whether or not a prior owner allowed smoking inside the vehicle.



Does thirdhand smoke decrease my home’s value?
Thirdhand smoke can decrease your home’s value by as much as 30%.

Educational Program Improves Pregnant Women’s Understanding of Thirdhand Smoke Risks
This study shows that an educational program can improve pregnant women’s knowledge, beliefs, and protective behaviors related to thirdhand smoke exposure.

Can thirdhand smoke hurt my pet?
Your pet cannot make a choice to avoid thirdhand smoke, but you can make it for them by ensuring their indoor and outdoor environment is 100% free of tobacco smoke pollutants.

What should I ask before renting a car?
Thirdhand smoke residue contains toxic chemicals that can stick to seats, carpets, vents, and other surfaces in a car. Breathe easier in your next smokefree ride with these tips!

Can you test for thirdhand smoke?
Until a more sensitive test is available, only research labs can effectively detect thirdhand smoke.

What questions should I ask before signing my next apartment lease?
Whether you’re renewing your apartment lease or searching for a new one, avoid thirdhand smoke and rent a smokefree property.

What are the advantages of making my rental properties smokefree?
Save lives and money by making your rental property smokefree.

Who is most likely to be exposed to thirdhand smoke?
Infants and young children are the most likely to breathe in, swallow, or touch thirdhand smoke chemicals, making them most likely to be exposed to thirdhand smoke.

How can I protect my child from thirdhand smoke in cars?
Young children need to be protected from thirdhand smoke exposure in all indoor environments – including in cars. Here are some ways to keep your child’s ride smokefree.

How can I protect my child from thirdhand smoke in homes?
Young children are at the greatest risk of thirdhand smoke exposure, but there are ways you can protect them.

How long does thirdhand smoke last?
Thirdhand smoke can stay on surfaces for years after the people who smoked stopped smoking or moved out.

California Enacts World’s First Thirdhand Smoke Disclosure Law: Landmark Public Health Advance Published in JAMA
A new JAMA Viewpoint article by investigators of California’s Collaborative Consortium on Thirdhand Smoke highlights the significance and implications of California Assembly Bill 455 (AB 455), the world’s first law requiring the disclosure of thirdhand smoke contamination in residential real estate transactions.

What questions should I ask before signing my next apartment lease?
Whether you’re renewing your apartment lease or searching for a new one, avoid thirdhand smoke and rent a smokefree property.

California AB 455 is Nation’s First Law Requiring Home Sellers to Disclose Thirdhand Smoke Hazards
California has once again taken the lead in public health innovation with the passage of Assembly Bill 455, authored by Assemblymember Ortega. Signed into law in October 2025, AB 455 is the first-in-the-nation legislation to require disclosure of thirdhand smoke contamination in residential real estate transactions.

Smoke That Lingers: How Wildfires and Tobacco Leave Behind Hidden Threats
Residue from wildfires and thirdhand tobacco smoke share a hidden danger — even after active smoke vanishes, the toxic remnants can still threaten health.

What should I ask before buying a home to avoid purchasing a thirdhand smoke polluted house?
To buy a house free of thirdhand smoke pollution, make sure no previous residents smoked in the home.
