What to do when wildfire smoke is severe

Prepare for an emergency During severe wildfire smoke

Wildfire smoke can travel long distances, affecting air quality and posing health risks to people exposed to it. Wildfire smoke can affect your eyes, respiratory system, and blood circulation.

You may experience these symptoms:

  • Irritation and discomfort in the eyes
  • Nasal congestion and a runny nose
  • Coughing
  • Difficulty breathing
  • Worsening of heart and lung conditions 

Staying safe during severe wildfire smoke

Stay informed

Keep track of air quality reports and wildfire updates in your area to know when smoke levels are high.

Limit your exposure

  • Stay indoors
  • Keep windows and doors closed to reduce smoke infiltration
  • Use air purifiers or HVAC systems with appropriate filters to improve indoor air quality
  • Avoid outdoor activities, especially strenuous exercises, in smoky conditions
  • Visit a cooling location 

Stay hydrated

Drink plenty of cool liquids, especially water, before you feel thirsty to decrease your risk of dehydration.

Vulnerable groups

Certain groups are more vulnerable to the health effects of wildfire smoke, including:

  • Children
  • Older adults
  • Pregnant women
  • Individuals with chronic illnesses (such as congestive heart failure, angina, chronic obstructive pulmonary disease, emphysema, asthma)
  • Smokers
  • People who do heavy outdoor work or outdoor sports

Seek medical advice

If you experience severe symptoms or belong to a vulnerable population, consult a healthcare professional for guidance on managing your health during smoke events.

Watch out for vulnerable neighbours

Check in on neighbours, friends and older family members, especially those who are chronically ill, to make sure that they are cool and hydrated.

Wildfire smoke resources

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