Not all air-cleaning devices are appropriate for home
use — some can be harmful to human health. The ARB recommends that ozone generators, air cleaners that intentionally
produce ozone, not be used in the home. Ozone is a gas that can cause health problems, including respiratory
tract irritation and breathing difficulty (Ozone and Health).
In response to legislation, Assembly Bill 2276 (2006, Pavley), the ARB has adopted a regulation to limit the ozone
emissions from indoor air cleaning devices. For more information on the regulation, please click here.
Links to information that can help you select a safe and effective air cleaner are provided below. If you need
further assistance after reviewing these links, please contact Susan Lum at 916-445-0753, or slum@arb.ca.gov . |
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| AIR CLEANERS TO AVOID |
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List of Potentially
Hazardous Ozone Generators Sold as Air Purifiers (November 6, 2007) |
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Fact
Sheet: Beware of Ozone-Generating Indoor "Air Purifiers" (March 2006) |
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| HOW TO SELECT A SAFE AND EFFECTIVE AIR CLEANER |
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"Air
Cleaning Devices for the Home, Frequently Asked Questions" (Fact Sheet, Feb. 2005) |
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"Air
Purifiers: Filtering the Claims," Consumer Reports, December 2007, Issue 12, pages 48-51. Posted with permission; for educational purposes only. NEW! |
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Clear Air Delivery Rates (CADR)
of Many Air Cleaners - Association of Home Appliance Manufacturers (AHAM) |
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| RELATED ARB AIR CLEANER INFORMATION |
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REPORT:
Evaluation of Ozone Emissions from Portable Indoor Air Cleaners: Electrostatic Precipitators and Ionizers, February
2008 NEW! |
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FINAL
RESEARCH REPORT: "Survey of the Use of Ozone-Generating Air Cleaners by the California Public", January
2007 |
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REPORT: Evaluation of
Ozone Emissions From Portable Indoor "Air Cleaners" That Intentionally Generate Ozone, May 2006 |
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PRESENTATION:
Actions to Address Indoor Ozone Generators: Health Update to the Board, May 5, 2006 |
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PRESS RELEASE:
Some Devices Marketed as Air Cleaners Dangerous to Public Health, Issued May 31, 2006 |
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PRESENTATION:
Ozone Generators Sold as Air Purifiers: Health Update to the Board, January 20, 2005 |
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PRESS RELEASE: ARB Warns, Danger
from Popular "Air Purifying" Machines, Issued January 20, 2005 |
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| OTHER SOURCES OF AIR CLEANER INFORMATION |
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American Lung Association of California Consumer Product Alert: Take Ozone-Emitting Air Cleaning Devices
Off Your Gift List, November 2006 |
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U.S. Environmental
Protection Agency Ozone Generator Website |
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"Air Cleaners:
Some Do Little Cleaning," Consumer Reports, October 2005, Vol. 70, Issue 10, pages 39-41. Posted with permission; for educational purposes only. |
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"New Concerns
About Ionizing Air Cleaners," Consumer Reports, May 2005, Vol. 70, Issue 5, p 22. Posted with permission; for educational purposes only. |
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California Department of Health Services Issues Warnings About Ozone Air Cleaning Devices, April
1997 |
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| For additional information on air cleaners and particles,
please click here. |
