Does Bottled Fresh Air Help With Air Pollution? What Actually Protects Your Lungs

Does bottled fresh air protect you from air pollution? No. In 2015, a Canadian startup sold cans of Rocky Mountain air in smog-choked Chinese cities, and the first shipments sold out. But a 7.7-liter can holds about a minute’s worth of breathing, while adults breathe roughly 10,000 liters of air a day. Air pollution harms health through long-term exposure to fine particles. HEPA air purifiers, well-fitted masks on bad-air days, and clean-air policies are what measurably reduce exposure and risk.

In late 2015, as smog in northern China reached record levels and Beijing issued its first red alert, an Edmonton company called Vitality Air made international headlines by selling canned air collected in Banff and Lake Louise. The business had started as a joke, when its founders sold a bag of air on eBay, but Chinese buyers snapped up its canisters as gifts and novelty items. The story captured both the desperation caused by severe pollution and the willingness of companies to profit from it. This article explains what bottled air can and cannot do, how air pollution harms the body, what research shows about purifiers and masks, and how China’s air has changed since.

What Was Vitality Air Selling?

Vitality Air, founded in Alberta by Moses Lam and Troy Paquette, compressed air collected in Banff National Park and near Lake Louise into aluminum cans with a breathing mask attachment. Fortune reported that the company’s first shipment of 500 units to China sold out as Beijing’s smog alert was raised from orange to red, and that before that, the founders had been selling only a few cans a month. Prices in China were reported at around 100 to 130 yuan per can, many times the price of bottled water. The company said its air was sold mostly to upscale clubs, international schools, and individuals buying them as gifts. Similar novelty air products appeared from other sellers, including a Chinese entrepreneur who had sold cans of “fresh air” years earlier as a publicity stunt.

How Much Air Is in a Can?

Very little relative to what people breathe. A resting adult takes about 12 to 20 breaths a minute and breathes roughly 6 to 8 liters of air per minute, adding up to around 10,000 liters a day, more during exercise. A 7.7-liter can therefore holds roughly one minute of ordinary breathing, and companies described each can as providing a hundred or more short inhalations. Even inhaling a full can in the middle of a smoggy day would not meaningfully change total exposure to pollutants, which accumulates over hours, days, and years. As a Hong Kong professor told CNN at the time, according to PhillyVoice, one bottle of air would not help.

How Does Air Pollution Harm Health?

Mostly through fine particles, called PM2.5, that are small enough to reach deep into the lungs and, in the case of the tiniest particles, enter the bloodstream. They trigger inflammation, stiffen blood vessels, raise blood pressure, and promote blood clotting. A 2017 Global Burden of Disease analysis in The Lancet by Aaron Cohen and colleagues estimated that outdoor PM2.5 caused about 4.2 million deaths worldwide in 2015, mainly from ischemic heart disease, stroke, chronic obstructive pulmonary disease, lung cancer, and lower respiratory infections, with ozone causing about 254,000 additional deaths. An earlier landmark study in JAMA by C. Arden Pope and colleagues, following about 500,000 Americans, found that each 10-microgram increase in long-term PM2.5 was associated with about 4, 6, and 8 percent higher risks of death from all causes, heart and lung disease, and lung cancer.

Do Air Purifiers Help?

Yes, for indoor exposure, which matters because most people spend most of their time indoors. A 2015 randomized, double-blind crossover trial in the Journal of the American College of Cardiology by Renjie Chen and colleagues placed real or sham HEPA air purifiers in the dormitory rooms of 35 healthy college students in Shanghai for 48 hours. Real purification quickly lowered indoor PM2.5 and was associated with significant drops in several markers of inflammation and blood clotting, a 2.7 percent decrease in systolic blood pressure, a 4.8 percent decrease in diastolic blood pressure, and a 17 percent decrease in a marker of airway inflammation. These were short-term changes in healthy young people, but they show that reducing indoor particles produces measurable physiological benefits.

Do Masks Protect Against Air Pollution?

Well-fitted, high-efficiency masks can reduce exposure outdoors. A 2012 randomized crossover study in Environmental Health Perspectives by Jeremy Langrish and colleagues had 98 patients with coronary heart disease walk a set route in central Beijing with and without a highly efficient face mask. With the mask, participants reported fewer symptoms and had lower mean arterial pressure, better heart rate variability, and less ST-segment depression on electrocardiograms, a sign of reduced strain on the heart. Respirators rated N95, KN95, or FFP2 filter fine particles far better than cloth masks, but only if they fit snugly. Our article on mask side effects explains comfort and fit issues.

Has China’s Air Improved Since 2015?

Substantially, through policy rather than products. After severe smog episodes, China launched a national Air Pollution Prevention and Control Action Plan in 2013. A 2019 analysis in the Proceedings of the National Academy of Sciences by Qiang Zhang and colleagues estimated that the national population-weighted average PM2.5 concentration fell from about 61.8 to 42.0 micrograms per cubic meter between 2013 and 2017, mainly because of reduced human-made emissions. Stricter industrial emission standards for power plants and factories, upgrades to industrial boilers, phasing out small polluting facilities, and cleaner residential fuels contributed most. China issued a further Continuous Improvement of Air Quality Action Plan in 2023, and a 2026 modeling study in Environmental Pollution by An and colleagues assessed its expected health benefits from reduced PM2.5 and ozone exposure. Levels remain above World Health Organization guidelines in many regions, but the trend shows what large-scale action can achieve.

Is Canned Oxygen Different From Canned Air?

Yes, but neither offers meaningful benefits for healthy people. Some companies sell cans of concentrated oxygen marketed for energy, hangovers, altitude, or recovery. Healthy people at normal altitude already have blood oxygen saturation near the maximum, so brief puffs of extra oxygen do little, and any effect wears off within minutes. People with lung or heart disease who need oxygen require prescribed, monitored oxygen therapy, not consumer cans. Oxygen-enriched products also carry fire risks near flames or cigarettes. Bottled “fresh air” is ordinary air and is best seen as a novelty or gift rather than a health product.

What About Indoor Air Pollution?

Indoor sources add to exposure. Cooking, especially frying and using gas stoves, burning candles and incense, smoking, wood stoves, and some cleaning and fragrance products release particles and gases indoors, as discussed in our article on candles and indoor air. When outdoor air is polluted, keeping windows closed reduces infiltration, but indoor sources can then build up, so using range hoods, avoiding smoking indoors, and running a HEPA purifier sized for the room help balance both. In many low- and middle-income countries, cooking with solid fuels such as wood and coal indoors is itself a major cause of illness and death. Decorative products like Himalayan salt lamps are not a substitute for HEPA filtration.

How Can You Protect Yourself on High-Pollution Days?

Check local air quality index (AQI) forecasts through official apps or websites. On bad days, limit strenuous outdoor exercise, especially near busy roads, and move workouts indoors or to times when pollution is lower. Keep windows closed and run a HEPA air purifier, ideally in the bedroom. Wear a well-fitted N95, KN95, or FFP2 respirator outdoors if you must spend time outside during severe pollution. People with heart or lung disease, older adults, children, and pregnant people are most vulnerable and should follow their doctor’s advice about medications and activity on high-pollution days.

How Do You Choose an Air Purifier?

Look for a true HEPA filter, which captures most fine particles, and a clean air delivery rate (CADR) rating appropriate for the room size; a common rule of thumb is a CADR, in cubic feet per minute, of at least two-thirds of the room’s floor area in square feet. Running the purifier continuously on a medium or high setting, with doors and windows closed, gives the best results. Replace filters on schedule, since clogged filters work poorly. Avoid devices that intentionally produce ozone, sometimes marketed as “ionizers” or “activated oxygen” machines, because ozone irritates the lungs. Do-it-yourself purifiers made by attaching a high-efficiency furnace filter to a box fan have been shown to reduce indoor particles at low cost, which can help during wildfire smoke events.

What Do Air Quality Index Colors Mean?

Many countries use color-coded air quality indexes. In the U.S. system, green (0 to 50) is good, yellow (51 to 100) is moderate, orange (101 to 150) is unhealthy for sensitive groups, red (151 to 200) is unhealthy for everyone, purple (201 to 300) is very unhealthy, and maroon (301 and above) is hazardous. China uses a similar scale. Sensitive groups should begin reducing prolonged or heavy outdoor exertion at orange, and everyone should limit outdoor exertion at red or above. During the worst Beijing smog in late 2015, readings exceeded the top of the U.S. scale, which is why authorities issued red alerts that closed schools and restricted traffic.

How Do Options for Reducing Exposure Compare?

Option	Evidence	Practical value
Bottled or canned air	No evidence of benefit	Novelty only; a minute of breathing
HEPA air purifier	Trials show lower indoor PM2.5 and blood pressure, inflammation markers	High, especially in bedrooms
N95/KN95 respirator outdoors	Crossover trial showed cardiovascular benefits in heart patients	High on bad-air days if well fitted
Checking AQI and adjusting activity	Reduces dose during peaks	Simple and free
Clean-air policies	Large population-level reductions, as in China after 2013	The biggest long-term effect

Why Did People Buy Bottled Air?

Several reasons explain the brief craze. During extreme smog, when air quality index readings in Beijing exceeded 600 on some days in late 2015, people felt powerless, and buying a can of clean mountain air offered a symbolic way to do something. Many purchases were gifts, jokes, or ways to make a point about pollution. The product also tapped into marketing that presents nature as pure and imported Western goods as higher quality. Bottled air became a symbol of environmental inequality, with clean air sold as a luxury, which helped focus public attention on the need for policy solutions.

Is Shipping Air Around the World Environmentally Sound?

Not really. Collecting, compressing, packaging, and shipping air across the Pacific consumes energy and materials and adds emissions, including from ships and aircraft that themselves contribute to air pollution. The aluminum cans and masks become waste. Compared with the tiny amount of breathing each can supports, the environmental cost is high. Commentators at the time noted the irony of a product that adds pollution to sell relief from pollution.

Who Is Most Vulnerable to Air Pollution?

Children, older adults, pregnant people, and people with asthma, chronic obstructive pulmonary disease, heart disease, or diabetes are most affected. Children breathe more air per pound of body weight and spend more time active outdoors, and their lungs are still developing. Air pollution exposure during pregnancy has been linked in many studies to lower birth weight and preterm birth. Outdoor workers and people living near highways, ports, and industrial areas often face higher exposures, which frequently overlap with lower-income communities. Protecting these groups is a major focus of air quality alerts and regulations.

Common Myths

“Bottled air can offset a day of smog.” A can holds about a minute of breathing out of roughly 10,000 liters a day.

“Canned oxygen boosts energy for healthy people.” Healthy people already have near-maximum blood oxygen; effects are negligible.

“Indoor air is always cleaner than outdoor air.” Outdoor pollution infiltrates, and indoor sources add more.

“Cloth masks protect against smog.” Fine particles require well-fitted high-efficiency respirators.

“Nothing can be done about air pollution.” China’s PM2.5 fell by about a third in five years after strong policies.

Key Terms

PM2.5: Fine particles 2.5 micrometers or smaller that can enter deep into the lungs.

Air quality index (AQI): A scale that translates pollutant levels into health-based categories.

HEPA filter: A high-efficiency particulate air filter that captures most fine particles.

Respirator: A tight-fitting mask, such as N95 or KN95, that filters fine particles.

Ozone: A gas formed in sunlight from other pollutants that irritates the lungs.

The Bottom Line

In 2015, a Canadian company sold cans of Rocky Mountain air in smog-choked Chinese cities, and its first shipment sold out within days. But each 7.7-liter can contains roughly a minute’s worth of breathing, compared with about 10,000 liters of air an adult breathes each day, so it offers no real protection. Fine particle pollution was linked to about 4.2 million deaths worldwide in 2015. Evidence supports HEPA air purifiers, well-fitted respirators on bad-air days, and adjusting activity using air quality forecasts, while China’s large drop in PM2.5 after 2013 shows that clean-air policies make the biggest difference.

Frequently Asked Questions

Does bottled air help with air pollution?

No. A 7.7-liter can of bottled air provides roughly a minute of normal breathing, while adults breathe about 10,000 liters of air a day. Health harm from pollution comes from cumulative exposure over hours, days, and years, which a can of air cannot change. Purifiers, respirators, and reducing pollution at its source are effective.

What was Vitality Air?

Vitality Air is a Canadian company that began selling cans of compressed air collected in Banff National Park and near Lake Louise. It started as a joke on eBay, and in late 2015 its first shipment of 500 cans to China sold out within days during severe smog, priced around 100 to 130 yuan per can.

Do air purifiers really help?

Yes. In a randomized, double-blind trial in Shanghai, real HEPA purifiers in dorm rooms quickly lowered indoor fine particles and reduced blood pressure and several markers of inflammation and blood clotting over 48 hours compared with sham purifiers. Choose a purifier sized for the room and run it continuously.

Which masks protect against smog?

Well-fitted N95, KN95, or FFP2 respirators filter most fine particles. A crossover study in Beijing found heart patients wearing a high-efficiency mask had lower blood pressure, fewer symptoms, and less heart strain. Cloth and loose surgical masks offer much less protection against fine particles.

Has air pollution in China improved?

Yes. After the 2013 clean air action plan, the national average PM2.5 fell from about 62 to 42 micrograms per cubic meter by 2017, mainly due to stricter industrial emission standards and cleaner fuels. Further plans followed in 2023, though many areas still exceed World Health Organization guidelines.

References

1. Cohen AJ, Brauer M, Burnett R, et al. Estimates and 25-year trends of the global burden of disease attributable to ambient air pollution: an analysis of data from the Global Burden of Diseases Study 2015. Lancet. 2017;389(10082):1907–1918. PMID 28408086
2. Pope CA 3rd, Burnett RT, Thun MJ, et al. Lung cancer, cardiopulmonary mortality, and long-term exposure to fine particulate air pollution. JAMA. 2002;287(9):1132–1141. PMID 11879110
3. Chen R, Zhao A, Chen H, et al. Cardiopulmonary benefits of reducing indoor particles of outdoor origin: a randomized, double-blind crossover trial of air purifiers. Journal of the American College of Cardiology. 2015;65(21):2279–2287. PMID 26022815
4. Langrish JP, Li X, Wang S, et al. Reducing personal exposure to particulate air pollution improves cardiovascular health in patients with coronary heart disease. Environmental Health Perspectives. 2012;120(3):367–372. PMID 22389220
5. Zhang Q, Zheng Y, Tong D, et al. Drivers of improved PM2.5 air quality in China from 2013 to 2017. Proceedings of the National Academy of Sciences. 2019;116(49):24463–24469. PMID 31740599
6. An W, Mao H, Xue X, et al. Health benefit assessment of continuous improvement of air quality action plan in China. Environmental Pollution. 2026;409:129063. PMID 42665082
7. Fortune. This Canadian startup is cashing in on China’s air pollution problem. December 16, 2015. fortune.com

Last updated: October 10, 2026