Air Quality and Health: Wildfire Smoke

Algoma Public Health

Air Quality and Health: Wildfire Smoke

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During a wildfire, dense smoke can be carried thousands of kilometres from the fire zone impacting the air quality for many. Smoke, even at low levels, can impact our health. Ensure you are taking proper measures to protect yourself and those you care for during this time! 

On this page:

 


 

Who is at risk?

 

Those most at-risk of the health effects of wildfire smoke are:

 

  • Seniors
  • Indigenous Peoples
  • People who smoke
  • Infants and young children
  • People living in rural and remote areas
  • Pregnant women and pregnant people
  • People involved in strenuous outdoor exercise
  • People living in situations of lower socio-economic status such as:
    • Those with lower income
    • Those with lower education
    • Those experiencing housing insecurity
    • Those experiencing uncertain employment
  • People who work outdoors, including wildland firefighters
  • People with an existing illness or chronic health conditions such as:
    • Cancer
    • Diabetes
    • Lung or heart conditions

Symptoms from exposure to smoke

 

Exposure to smoke most commonly results in milder symptoms such as: 

 

  • Eye irritation
  • Throat irritation
  • Cough
  • Runny nose
  • Headaches

More severe symptoms include: 

 

  • Dizziness
  • Chest pains
  • Difficulty breating
  • Wheezing 
  • Heart palpitations (irregular heartbeat)

Exposure to wildfire smoke is associated with several health effects including exacerbation of existing respiratory and cardiovascular diseases such as:

  • Asthma
  • Chronic obstructive pulmonary disease
  • Congestive heart failure

If you have any of these symptoms, talk to a health care provider or seek urgent medical attention. 


Staying informed

 

Air quality due to wildfire can fluctuate and vary considerably throughout the day. Stay informed to stay prepared!

 

*Note: Where UNBC air quality map is being used hover over area of interest to see AQHI health risk category. 

 

(Table 1: Summary of Air Quality Health Messages by Category)

 

Health Risk Air Quality Health Index (AQHI) HEALTH MESSAGES
At Risk Population General Population
 Low  1-3 Enjoy your usual outdoor activities Ideal air quality for outdoor activites 
 Moderate  4-6 Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation 
 High  7-10 Reduce or reschedule strenuous activities outdoors. Children and the elderly should also take it easy Consider reducing or rescheduling strenuous activities outdoors if you experience symptoms such as coughing and throat irritation 
 Very High  Above 10 Avoid strenuous activities outdoors. Children and the elderly should also avoid outdoor physical exertion Reduce or reschedule strenuous activities outdoors, especially if you experience symptoms such as coughing and throat irritation. 

 

 

Protecting your health and safety

 

 

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