Can you get second hand smoke from a vape? Who says what
A vape makes no smoke, but bystanders breathe exhaled aerosol with nicotine in it. The NHS, Alberta, AHA News, ANR and one lab study, side by side.
You cannot get second-hand smoke from a vape in the strict sense: a vape burns nothing, so it makes no smoke. You can breathe second-hand aerosol. People nearby inhale what a user exhales, and a lab study found nicotine in room air from it. Health bodies disagree on what that does to bystanders.
So can you get second hand smoke from a vape? Not smoke, but exposure, yes. This is an evergreen explainer, not news. This desk read the NHS, MyHealth Alberta, Americans for Nonsmokers’ Rights (ANR) and AHA News pages, and the Czogala study abstract, on 15 October 2026. Nobody here measured anything; every figure below is the source’s own.
Can you get second hand smoke from a vape? Who says what
| Source, date | Position, in its own words or close to them |
|---|---|
| NHS, page last reviewed 15 July 2026 | “There’s no evidence so far that vaping causes harm to other people around you, but more research is needed.” |
| MyHealth Alberta, undated | Second-hand aerosol “is not as harmful as breathing in second-hand smoke, but it does have risks.” Non-vapers who breathe it have cancer-causing chemicals in their urine. |
| AHA News, 31 May 2022 | Reports a 2021 Thorax paper: exposure associated with bronchitis symptoms and shortness of breath among young adults. |
| ANR fact sheet, 12 February 2026 | Aerosol contains nicotine, ultrafine particles and low levels of toxins known to cause cancer; at least 10 chemicals on California’s Proposition 65 list. |
| Czogala et al., 2014 | “A source of secondhand exposure to nicotine but not to combustion toxicants.” |
The positions are not as far apart as they look. Nobody in that table says exhaled aerosol is just water. The NHS page says no harm has been shown so far; Alberta and ANR say risk exists. Both can be true while the long-term evidence is thin, and Alberta says outright that it is “still learning” about long-term effects.
Is second-hand vape harmful?
The honest answer is that the evidence points to exposure, with the harm still being studied. MyHealth Alberta says aerosol “is not water vapour” and carries nicotine and other chemicals that could be harmful.
The ANR fact sheet lists the Proposition 65 chemicals found in aerosol, including acetaldehyde, benzene, cadmium, formaldehyde, lead, nickel and nicotine, and says the particles are smaller than 1,000 nanometres. ANR is an advocacy organisation, not a regulator. Its count of restrictions, 1,086 municipalities plus 28 states, commonwealths and territories restricting e-cigarette use in 100% smokefree venues as of 1 January 2026, is its own tally, not a government figure.
The AHA piece is four years old and says so. Its Thorax finding dates from 2021, and it cites a 2019 JAMA Network Open study: about 1 in 4 US students exposed to second-hand aerosol between 2015 and 2017, 1 in 3 in 2018.
Can you get nicotine from someone else vaping?
Yes, in measurable amounts. Czogala and colleagues, at the Medical University of Silesia and Roswell Park Cancer Institute, ran three e-cigarette brands on a smoking machine in an exposure chamber. Room nicotine ranged from 0.82 to 6.23 µg/m3. Tobacco cigarettes from five dual users averaged 31.60 µg/m3 against 3.32 for e-cigarettes, which the authors call 10 times higher. Their abstract notes that no sidestream vapour is generated between puffs, and says more research is needed on health effects.
That study dates from 2013 to 2014. It did not test any current disposable.
For scale on the device side: a Geek Bar Pulse X holds about 900 mg of nicotine, 18 mL at 5%, and Pulse mode spends that tank in fewer rated puffs. No source this desk read links what a sealed device holds to what ends up in a room, so this desk does not turn tank figures into a bystander dose.
Second-hand and third-hand vape exposure
Third-hand exposure is the residue. Alberta says it settles on windows, walls, floors and dust and can linger from minutes to months. In Alberta it is illegal to smoke or vape in a vehicle with a child passenger under 18, and the page adds that opening a window is not enough.
Frequently asked questions
Are there any studies on second-hand vape?
Yes, though fewer than for tobacco smoke. Czogala and colleagues measured room nicotine from three e-cigarette brands in an exposure chamber, published in Nicotine & Tobacco Research in 2014. AHA News in May 2022 reported a 2021 Thorax paper linking second-hand aerosol to bronchitis symptoms in young adults, and a 2021 Tobacco Control study on room fine particles.
Can you get a secondhand high from someone vaping in the same room?
None of the sources this desk read measured a high. Czogala’s chamber study did find nicotine in room air from nicotine e-cigarettes, at 0.82 to 6.23 µg/m3. For cannabis, MyHealth Alberta says the aerosol from vaping cannabis contains harmful chemicals that may cause cancer. That is a health warning, not a measured dose.
What is third-hand vape exposure?
MyHealth Alberta defines third-hand smoke and aerosol as the toxic residues that settle on surfaces after someone smokes or vapes: windows, walls, floors, dust. It says they can linger from minutes to months, and that exposure happens by swallowing, breathing in, or absorbing the residue through the skin.
Every disposable on this desk’s beat is a nicotine product, and the people in the room did not choose it. Nicotine is addictive. These devices are for adults of legal purchase age only, and not for non-smokers or former smokers.