Based on health information regarding the effects of inhaling ozone, devices that release ozone into the air, sometimes associated with the function of "ozone filters" or "ozone air purifiers," are generally not considered safe for use in occupied spaces.
Understanding Ozone and Its Effects
Ozone (O₃) is a gas that occurs naturally in the upper atmosphere, where it protects us from ultraviolet radiation. However, at ground level, ozone is a harmful air pollutant. Some air purification devices are designed or inadvertently produce ozone, releasing it into indoor environments.
Health Dangers of Inhaling Ozone
Inhaling ozone is harmful to human health, even at relatively low concentrations. According to health information, inhaling ozone, even in small amounts, can irritate the lungs. Specific effects may include:
- Throat irritation
- Coughing
- Chest pain
- Shortness of breath
- An increased risk of respiratory infections
These effects can occur in healthy individuals and may be more severe for people with asthma or other respiratory conditions.
Devices That Produce Ozone
Devices marketed as air purifiers that generate ozone often do so using technologies like ion generators or "ionizers." As noted in health advisories, "Some ozone air purifiers are made with an ion generator, sometimes called an ionizer, in the same unit." These devices are designed to intentionally produce ozone as part of their operation, releasing it into the room's air.
While some manufacturers claim that the ozone produced helps clean the air, the levels required to effectively remove pollutants are far above those considered safe to breathe.
The Verdict on Safety
Considering the well-documented health risks associated with inhaling ozone, devices that release ozone into indoor air are not safe for use. Regulatory bodies and health organizations advise against using air purifiers that produce ozone. The term "ozone filter" can be misleading; rather than filtering out harmful substances using ozone, these devices add a harmful substance (ozone) to the air. Safer air purification methods rely on technologies like HEPA filters and activated carbon, which capture particles and adsorb gases without producing harmful ozone.
