The Health Effects of Breathing Wildfire Smoke (And How to Protect Yourself)
Wildfires are becoming more frequent and intense, especially during hotter, drier seasons. While the flames themselves are dangerous, one of the biggest hidden threats is wildfire smoke. Even if you’re miles away from an active fire, the smoke can travel long distances and significantly impact your health.
In this article, we’ll break down the health effects of breathing wildfire smoke, who is most at risk, and what you can do to protect yourself and your family.
What Is Wildfire Smoke Made Of?
Wildfire smoke is a complex mixture of gases and fine particles produced when vegetation and other materials burn. These include:
- Carbon monoxide
- Volatile organic compounds (VOCs)
- Fine particulate matter (PM2.5)
- Other toxic air pollutants
The most concerning component is PM2.5, which consists of microscopic particles small enough to enter your lungs—and even your bloodstream.
How Wildfire Smoke Affects Your Health
1. Respiratory Issues
Breathing in wildfire smoke can irritate your respiratory system almost immediately. Common symptoms include:
- Coughing
- Shortness of breath
- Wheezing
- Throat irritation
For people with asthma or chronic lung conditions, wildfire smoke can trigger severe flare-ups or attacks.
2. Reduced Oxygen Intake
When your lungs are exposed to smoke-filled air, they become less efficient at absorbing oxygen. This can lead to:
- Fatigue
- Dizziness
- Reduced physical performance
- Increased strain on the body
Cleaner air supports better oxygen intake, which is essential for energy, focus, and overall wellness.
3. Cardiovascular Effects
Wildfire smoke doesn’t just affect your lungs—it can also impact your heart. Studies have shown that exposure to fine particulate matter can:
- Increase heart rate
- Raise blood pressure
- Trigger heart attacks or strokes in high-risk individuals
4. Eye, Nose, and Skin Irritation
Smoke exposure often causes irritation in sensitive areas, including:
- Burning or watery eyes
- Runny nose
- Scratchy throat
- Dry or itchy skin
These symptoms may seem mild but can become persistent with prolonged exposure.
5. Long-Term Health Risks
Repeated or prolonged exposure to wildfire smoke may contribute to:
- Chronic respiratory diseases
- Decreased lung function
- Increased risk of cardiovascular disease
Even healthy individuals can experience long-term effects if exposure is frequent or severe.
Who Is Most at Risk?
Certain groups are more vulnerable to the effects of wildfire smoke:
- Older adults
- Children and infants
- People with asthma, COPD, or heart disease
- Pregnant individuals
- Outdoor workers and athletes
If you fall into one of these categories, taking extra precautions is essential.
How to Protect Yourself from Wildfire Smoke
Stay Indoors When Air Quality Is Poor
Monitor your local Air Quality Index (AQI) and limit outdoor activity when levels are unhealthy.
Use Air Filtration
High-efficiency particulate air (HEPA) filters can help reduce indoor smoke particles and improve air quality.
Wear a Protective Mask
If you must go outside, consider wearing a properly fitted mask (such as an N95) to reduce inhalation of fine particles.
Keep Indoor Air Clean
- Close windows and doors
- Avoid burning candles or using fireplaces
- Limit activities that create indoor pollution
Support Your Body’s Oxygen Needs
When air quality is compromised, maintaining healthy oxygen intake becomes even more important. Supplemental oxygen—like portable oxygen canisters—can help support breathing comfort in certain situations, especially during temporary exposure to poor air conditions.
Final Thoughts
Wildfire smoke is more than just an inconvenience—it’s a serious health concern that can affect nearly every system in your body. Understanding the risks and taking proactive steps can help you stay safe during wildfire season.
By protecting your lungs and supporting your body’s oxygen needs, you can reduce the impact of smoke exposure and maintain better overall well-being—even when air quality takes a hit.
Wildfire Preparation, Safety And Resources
The website READY.GOV has an AMAZING section about wildfire preparedness, safety and other resources. Launched in February 2003, Ready is a National public service campaign designed to educate and empower the American people to prepare for, respond to and mitigate emergencies, including natural and man-made disasters. The goal of the campaign is to promote preparedness through public involvement.
Visit ready.gov/wildfires to get all the information!
The READY.GOV wildfire section includes:
Recognize Warnings and Alerts
Making an Emergency Plan
Strengthen your Home
Know your Evacuation Zone
Gathering Supplies
Staying Safe During The Fire
Safely Returning Home After a Wildfire
Online Resources To Track Wildfire Updates
In recent years, online resources and apps to track wildfires and weather became extremely important. Thankfully, there are several easy sites and apps you can use daily to keep track of wildfires, extreme weather and even poor air quality. We recommend visiting some of these websites and bookmarking them if you live in an area that is at risk for wildfires:
https://www.cnn.com/interactive/2020/weather/wildfire-and-air-quality-tracker/
