What Types Of Air Cleaners Are Not Effective?
OZONE GENERATORS. The California Department of Health Services advises the public not to use so-called “air purifiers” that are specifically designed to generate ozone indoors. These ozone generators are sometimes marketed as emitting “trivalent” oxygen, “activated” oxygen, “allotropic” oxygen, “saturated” oxygen, “superoxygen,” or “mountain-fresh air.” These devices may also be combined with a negative ion generator. However, these devices are actually emitting ozone. Ozone is a harmful air pollutant that is the main ingredient of ground-level smog. Breathing ozone can be harmful, especially for children, the elderly, and people with asthma, emphysema, bronchitis, or other respiratory diseases. Ozone also irritates the eyes, nose, and throat. Long-term exposure to ozone may permanently reduce a person’s breathing ability. Ozone at safe levels does not clean the air. Independent studies by the U.S. Environmental Protection Agency, the Consumers Union, and others have shown that these d
