Understanding the complex health risks of wildfire smoke

Understanding the complex health risks of wildfire smoke

The dangers of wildfire smoke

The composition of wildfire smoke includes various pollutants. Those with ultrafine particles pose the most significant threat because they can infiltrate deep into the lungs. This can trigger inflammation and exacerbate preexisting respiratory conditions. The array of respiratory irritants in smoke, including hydrocarbons and other organic chemicals, can cause symptoms from coughing and wheezing to chest tightness and shortness of breath.

Wildfire smoke also can affect your cardiovascular health. Fine particulate matter can potentially enter the bloodstream, where it can bring on systemic inflammation and worsen cardiovascular conditions. 

The health effects of breathing in wildfire smoke may include:

  • Asthma attack
  • Chest pains
  • Coughing
  • Fast heartbeat
  • Headaches
  • Runny nose
  • Scratchy throat
  • Sinus irritation
  • Stinging eyes
  • Tiredness
  • Trouble breathing comfortably, wheezing and shortness of breath

People with preexisting heart disease or hypertension may experience symptoms from elevated levels of wildfire smoke, including chest pain, palpitations and fatigue.

Children are particularly susceptible to environmental pollutants because their respiratory systems are still developing.

While it can be challenging to keep children indoors, especially when the weather appears otherwise pleasant, it's crucial to be aware of the weather conditions and the air quality. If the air quality is marginal, it's OK for children to spend limited time outside. If the air quality is bad, find an alternative activity indoors until the air quality has improved.

Older adults with compromised lung function and reduced tolerance to respiratory stressors should pay particular attention to air quality during wildfire events and adjust their activities accordingly.

Borrowed form: Mark Norton, M.D.

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