Ozone generators have become increasingly popular in recent times, especially since the COVID-19 pandemic has raised awareness of the need for cleaner air in occupied spaces. But do ozone generators really help with allergies? The answer is no. The Environmental Protection Agency (EPA) has reported that ozone generators are not effective in removing pollutants from the air and may even be harmful to health. This is why no federal agency has approved the use of ozone generators in occupied spaces.
Ozone can mask odors by changing the chemical composition of particles or other gases in the air, making it appear fresher and cleaner. However, it does not remove particulates such as dust and pollen, which are responsible for most allergies. Some ozone air purifiers come with an ion generator, also known as an ionizer, but this type of air purifier is not suitable for people with asthma since its purpose is to produce ozone. All air purifiers sold in California must be safe for the ozone layer, so it is important to check the list of approved air purifiers on the California Air Resources Board website before buying one.
Air filters that remove small particles, such as high-efficiency particulate air (HEPA) filters, are effective in removing allergens from the air without causing any problems with the ozone layer. Manufacturers claim that ozone generators can remove allergens from indoor air by creating a chemical reaction with polluting particles (creating only safe by-products). However, this is misleading because ozone alone does not remove particles such as dust or pollen from the air, two particles that often cause allergies and asthma. To understand why current air purification technologies such as HEPA filters, ozone generators, and air ionizers may not alleviate asthma attacks and symptoms, it is important to understand the relationship between indoor air quality and asthma triggers.
Despite manufacturers' claims that ozone generators can be used to control indoor air pollution, health professionals have long refuted these claims. If you or your loved ones suffer from asthma and have been looking for an air purifier as a solution, you may have come across manufacturers that market ionizers and ozone generators as a solution for asthma sufferers. Ozone generators do not conform to best practices for indoor air quality in inhabited workplaces. If you or your loved ones have asthma, you can help raise awareness and educate others about these products.