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This page updated July 3, 2009.
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Hazardous Ozone-Generating
"Air Purifiers"
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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.
CALIFORNIA CERTIFIED AIR CLEANERS
Some
manufacturers have already submitted test results and obtained ARB
certification of their air cleaning devices as required under our
regulation.
The list of California air cleaners certified to date is available at
the link below. Certification is based on their electrical safety and
their low ozone emissions. Please note that there are many safe air
cleaners available that have not yet been certified by ARB, so please
check both the list below and the information in the sections below
entitled “Air Cleaners To Avoid” and "How to Select a Safe and
Effective Air Cleaner” to make the best selection for your needs.
AIR CLEANERS TO AVOID
HOW TO SELECT A SAFE AND EFFECTIVE AIR CLEANER
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! | |
| FINAL
RESEARCH REPORT: "Survey of the Use of Ozone-Generating Air Cleaners by the California Public", January
2007 | |
| REPORT: Evaluation of
Ozone Emissions From Portable Indoor "Air Cleaners" That Intentionally Generate Ozone, May 2006 | |
| PRESENTATION:
Actions to Address Indoor Ozone Generators: Health Update to the Board, May 5, 2006 | |
| PRESS RELEASE:
Some Devices Marketed as Air Cleaners Dangerous to Public Health, Issued May 31, 2006 | |
| PRESENTATION:
Ozone Generators Sold as Air Purifiers: Health Update to the Board, January 20, 2005 | |
| PRESS RELEASE: ARB Warns, Danger
from Popular "Air Purifying" Machines, Issued January 20, 2005 |
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 | |
| U.S. Environmental
Protection Agency Ozone Generator Website | |
| "Air Cleaners:
Some Do Little Cleaning," Consumer Reports, October 2005, Vol. 70, Issue 10, pages 39-41. Posted with permission; for educational purposes only. | |
| "New Concerns
About Ionizing Air Cleaners," Consumer Reports, May 2005, Vol. 70, Issue 5, p 22. Posted with permission; for educational purposes only. | |
| California Department of Health Services Issues Warnings About Ozone Air Cleaning Devices, April
1997 |
For additional information on air cleaners and particles,
please click here.
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related to indoor air quality. By subscribing to the INDOOR List Serve, you will receive notices regarding updates
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Indoor
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