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When Wildfire Smoke Fills the Air in Ottawa: How to Protect Your Health

a photo of smog hanging over hull, taken from the rideau canal locks in Ottawa, Ontario, Canada

As wildfires become more frequent and intense, many of us are finding ourselves checking the air quality index (AQHI) more often than the weather. Smoke from forest fires doesn’t just obscure the sky—it poses serious health risks, especially for those with asthma, heart conditions, or young children. Here’s how you can stay safe and healthy when wildfire smoke is in the air.

Check the Air Quality Health Index (AQHI) Daily

Before you head outside, check the AQHI for your area. Here’s the link to the Government of Canada’s air quality observations for Ottawa and Orleans.

  • 1–3 (Low Risk): Ideal conditions for outdoor activities. No special precautions needed.
  • 4–6 (Moderate Risk): Consider reducing or rescheduling strenuous outdoor activities if you are at risk.
  • 7–10 (High Risk): Reduce or reschedule strenuous activities, especially if you are at risk.
  • 10+ (Very High Risk): Avoid strenuous outdoor activities. Everyone should take precautions.

How to Protect Yourself When the Air Quality Health Index is High

Stay Indoors When Smoke Levels Are High

If the AQHI is high, stay indoors as much as possible. Close all windows and doors and run your HVAC system if you have one. Make sure your air system uses high-quality HEPA filters to trap fine particulate matter (PM2.5).

Pro Tip: Create a “clean room” in your home with an air purifier for extra protection.

Use a HEPA Air Purifier

Invest in a portable HEPA air purifier for your home or office. These can dramatically reduce indoor air pollution caused by wildfire smoke. Make sure it’s rated for the size of the room where you plan to use it.

Wear a Proper Mask Outdoors

Cloth and surgical masks won’t protect you from fine smoke particles. Use an N95 or P100 respirator for real protection. Ensure a snug fit and avoid prolonged exposure outdoors, even with a mask.

Avoid Physical Activity Outdoors

Exercising outdoors when the air is smoky forces you to breathe more deeply, drawing dangerous pollutants further into your lungs. Opt for indoor workouts or take rest days during high-smoke periods.

Keep Your Indoor Air Clean

  • Don’t burn candles or incense
  • Avoid frying or broiling food
  • Vacuum with a HEPA filter
  • Avoid smoking indoors

Every bit of pollution you can reduce indoors matters when the outside air is compromised.

Watch for Symptoms

Smoke exposure can cause:

  • Coughing or sore throat
  • Shortness of breath
  • Chest pain
  • Eye, nose, and throat irritation

If you or a loved one has trouble breathing or experiences worsening symptoms, contact a healthcare provider immediately.

Prepare for Wildfire Season in Advance

Don’t wait until the smoke rolls in:

  • Keep a supply of N95 masks
  • Replace HVAC filters early in the season
  • Buy an air purifier in advance (they often sell out during wildfire events)

Final Thoughts

Forest fire smoke is more than just a nuisance—it’s a health hazard. By staying informed and taking simple precautions, you can protect yourself and your family during wildfire season. At Centrum Pharmacy in Orleans, we care about your health—indoors and out. If you’re looking for N95 masks, HEPA air purifiers, or advice on managing respiratory conditions during wildfire season, our team is here to support you. Drop by or give us a call—we’re always happy to help you breathe easier.

Disclaimer: The medical information on this site is provided as an information resource only and is not to be used or relied on for any diagnostic or treatment purposes. This information does not substitute for professional diagnosis and treatment. Please do not initiate, modify, or discontinue any treatment, medication, or supplement solely based on this information. Always seek the advice of your healthcare provider first. Full Disclaimer.