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"  It&amp;#039;s been quite a few years now that ozone-producing air purifiers have been on the market. The manufacturers of these products have been claiming that the ozone removes indoor air contaminants and acts likes an air freshener as its sweetish smell (think of the odor in the air during a thunderstorm) masks other odors. But what they aren&amp;#039;t telling you is that ozone (O3) is a lung irritant that can cause chest pains, coughing, and shortness of breath even in people who don&amp;#039;t suffer from asthma and other lung ailments. Since ozone occurs naturally in our atmosphere it&amp;#039;s difficult to understand why it&amp;#039;s considered dangerous. To explain, the Environmental Protection Agency (EPA) started a campaign called &amp;#039;Good Up High - Bad Nearby&amp;#039;. Ozone in the upper layers of the atmosphere is good for us as it helps to filter out UV rays from sun while ozone down at our level is bad for our health. If you don&amp;#039;t live in California, which has banned the sale of ozone-generating purifiers (unless the amount of ozone they emit is very, very low) you&amp;#039;ll still see these purifiers for sale in stores and on-line. Don&amp;#039;t buy them. We feel so strongly that these products are hazardous to your health that we will not allow them to apply for use of the Good Housekeeping Seal or advertise in Good Housekeeping If you already own an air purifier, make sure it doesn&amp;#039;t produce ozone and if it does, stop using it and cut the cord before you discard it so no one else can use it either. Before purchasing a replacement see our guide to air purifiers. Check out Good Housekeeping&amp;#039;s guide on How to Buy an Air Purifier, 6 Ways to Protect the Environment and Your Family, and HEPA Vacuum Cleaners. "^^<http://www.w3.org/2001/XMLSchema#string>
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