Wildfire smoke can irritate the respiratory system and trigger an immune response. While the lungs are most directly affected, wildfire smoke can also impact other parts of the body. People may experience different symptoms depending on their health status and level of exposure.
Who Is Most at Risk?
Some individuals are more likely to experience health problems from wildfire smoke, including:
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people with an existing or chronic health conditions, such as lung or heart disease, or diabetes
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people aged 65 and older
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infants and young children
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pregnant people
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people with increased likelihood of exposure due to location or occupation
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people living in situations of lower socioeconomic status
Common Symptoms:
Exposure to wildfire smoke may cause:
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Headache
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Sore throat
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Mild cough
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Runny nose
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Eye irritation
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Increased phlegm (mucus) production
Serious Symptoms: Seek Medical Attention Immediately
If you experience any of the following, seek medical care right away:
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Shortness of breath
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Severe cough or wheezing
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Dizziness
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Chest pain
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Heart palpitations (irregular heartbeat)
10 Ways to Protect Your Lungs from Wildfire Smoke
When wildfire smoke levels are elevated:
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Check your local air quality regularly.
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Stay indoors when smoke levels are high.
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Keep windows, doors, and fireplace dampers closed.
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Use air conditioning on recirculation mode and limit outdoor air entering your home.
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Wear a properly fitted N95 respirator if you must go outside.
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Keep asthma, COPD, or other lung conditions well managed.
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Update and follow your Asthma Action Plan or COPD Action Plan.
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Seek advice from a healthcare professional if breathing symptoms worsen.
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Stay informed about wildfire alerts and health warnings in your area.
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Prepare for emergencies, including power outages and potential evacuations.
Created July 20, 2026
Local Air Quality Health Index
How to protect your lungs from wildfire smoke
Wildfire Smoke and Your Health
Wildfire smoke, air quality and your health
Wildfire Season Advice for People Living with Asthma