Ozone is dangerous for People with Asthma
and other Respiratory Problems

The Blueair 501 emits absolutely no ozone. In fact, testing has shown that in rooms where a Blueair 501 is operating, ozone levels actually decrease!

There are many so-called air purifiers on the market that are, in fact, ozone generators. According to the American Lung Association, "Ozone is a potent lung irritant and exposure to elevated levels is a contributor to the exacerbation of lung disease; it is especially dangerous for persons with asthma and other chronic lung diseases, children and the elderly."

And don't be fooled by products claiming to be negative ion generators. Again, according to the American Lung Association, there is no difference between a negative ion generator and an ozone generator.

Consumer Reports (1992), the National Institute of Occupational Safety and Health (NIOSH), and the U.S. EPA concluded that tabletop and room unit ozone generators are not effective in improving indoor air quality! Studies have found that while some indoor air pollutant concentrations decline in the presence of ozone, other pollutants increase.

In fact, upon reaction with ozone, some previously undetected, toxic chemicals emerge in indoor air! These include formaldehyde and other aldehydes.

Not only that, there is a lack of research that indicates that low concentrations of ozone remove organic contaminants in the air. And at higher concentrations of ozone, (especially above 0.08 ppm) ozone is a potent irritant that can bring about diminished lung function, cough, inflammation associated with biochemical changes and increased responsiveness to allergens.

Current evidence of the health effects of ozone suggests that there is no "safe" threshold level of ozone above exposure to background levels. Also, exposure to ozone mixed with other compounds may produce combined and increased negative effects! And if you already have asthma you likely have increased susceptibility to ozone and exposure to even low concentrations of ozone can result in increased symptoms, medications use and even hospitalization!

The bottom line is that ozone generators and negative ion generators may produce levels of ozone recognized as unsafe for humans and are not recommended by the ALA for use in occupied spaces because of the risk of ozone!

The American Lung Association does not suggest the use of these products.

Ozone Can Cause Asthma in Kids

The American Lung Association recently reported that ozone can actually cause children to become asthmatic. They reported:

According to a University of California Davis study, allergies and respiratory problems caused by poor air quality can lead to asthma in children, TheKCRAChannel.com reported on Apr. 17. Twenty to 25 percent of patients develop asthma caused by allergies, according to the report. The Davis study says that smog and high levels of ozone can change lung development, making them hypersensitive to allergens.

If ozone can do this much damage to developing lungs, anyone concerned with indoor air should steer clear of air filtration machines that emit ozone!

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