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HomeCity and State Gov'tHealth Effects of Smoke from Wildfire and Prescribed Burns:

Health Effects of Smoke from Wildfire and Prescribed Burns:

Wildfire smoke is a mixture of small particles, gases, and water vapor. The primary health concern is the  small particles. These small particles can cause burning eyes, runny nose, scratchy throat, headaches, and  illness (i.e., bronchitis). They can also worsen chronic heart and lung disease (i.e., asthma, emphysema, and  COPD).  

Many factors play into a person’s susceptibility to smoke. These factors include the level, extent, and  duration of exposure, age, and individual susceptibility. Anyone who can see, taste or smell smoke should  curtail outdoor activity. But people with heart disease, lung disease or asthma should avoid the outdoors  entirely, as should children and the elderly. When smoke levels are dangerously high, the appropriate  protective measures should be followed: 

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Ways to Protect Yourself 

Avoid breathing smoke if you can help it. If you are healthy, you usually are not at a major risk from  smoke. People at risk include those with heart or lung diseases, children, and older adults.  

Use visibility guides. Because smoke is highly visible, it is possible to visually estimate smoke levels and  estimate potential health impacts. Generally, the worse the visibility is, the worse the smoke is. Use  common sense. If it looks smoky outside, it is probably not a good time for outdoor activities. And it’s  probably not a good time for your children to play outdoors. If you feel ill because of wildfire smoke,  regardless of the Air Quality Index (AQI) level, take necessary precautions: stay indoors, use a HEPA filter,  and limit your activities. Contact your health care provider for additional instructions.  Pay attention to local air quality reports. Stay alert to any news coverage or health warnings related to  smoke. In the event of dangerous smoke levels, the Local Health and Emergency Authorities will issue  instructions based on the Environmental Protection Agency’s (EPA) Air Quality Index (AQI). The AQI, based  on data from local air quality monitors, tells you about the daily air quality in your area and recommends  precautions you can take to protect your health. As smoke gets worse, the concentration of particles in the  air changes – and so do the steps you should take to protect yourself. If you are advised to stay indoors,  keep your windows and doors closed. Make sure air conditioning units have a clean filter in the air intakes.  Devices with High Efficiency Particulate Air (HEPA) filters can reduce the indoor pollution. Do not add to  indoor air pollution. Don’t use anything that burns, such as wood fireplaces, gas logs, gas stoves, or even  candles. Don’t vacuum; that stirs up particles already inside your home. Don’t smoke; that puts even more  pollution in your lungs, and in the lungs of people around you. Dust masks aren’t enough! Common masks  will not protect your lungs from small particles in smoke. HEPA masks may filter out the small particles but  are not suitable for people with lung diseases. Those with lung diseases should follow your respiratory  management plan. Call your doctor if symptoms worse. 

For more information contact: Cecil Newell, R.S. Public Health Protection Section Manager: 928-442-5492


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