What to do when wildfire smoke is severe

Prepare for an emergency Wildfire smoke

Canada’s changing climate is making wildfires more frequent and longer lasting. Wildfire smoke can travel long distances, affecting air quality in communities both near and far from the fire.

When air quality is poor due to wildfire smoke, you may experience the following symptoms:

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

Stay informed

Wildfire season typically runs from early April to late October. Stay informed by monitoring air quality statements and wildfire updates in your area to know when air quality is poor due to wildfire smoke.

Limit your exposure

The following actions can help reduce your exposure during wildfire smoke events:

  • Shut all windows and doors
  • Limit outdoor activities as much as possible.
  • Use air purifiers or HVAC systems with HEPA (high-efficiency particulate air) filters if available.
  • Close fresh air intakes from furnaces. If you have air conditioning, set it to recirculate.
  • Check your furnace filter regularly and replace it if needed.
  • When driving, keep windows closed and set the ventilation system to recirculate to prevent smoky air from entering your vehicle
  • If your house gets warm from the windows being closed, visit a public space with cooler filtered air, such as malls, libraries, or recreation centers.
  • Drink plenty of water even before you feel thirsty to decrease your risk of dehydration
  • Keep pets inside as much as possible and make sure they have plenty of water. Smoke can be harmful to them too!

Vulnerable groups:

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

  • Infants and young children
  • Older adults
  • Pregnant women
  • Individuals with chronic illnesses such as congestive heart failure, angina, chronic obstructive pulmonary disease, asthma or other heart and lung conditions.
  • People who smoke

If someone in your life is more vulnerable to the dangers of heat, check on them regularly during wildfire smoke events.

Seek medical advice

If you have severe symptoms from wildfire smoke, consult a healthcare professional for guidance on managing your health during wildfire smoke events. If you experience chest tightness, chest pain, shortness of breath, or any other health emergency, call 9-1-1.

Other resources:

Wildfire Smoke and Your Health (alberta.ca)

Wildfire smoke, air quality and your health: Overview - Canada.ca

AQHI - Map

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