Air quality plays a crucial role in the respiratory health and overall well-being of individuals, especially for those living with cystic fibrosis (CF). Air quality refers to the composition of the air in terms of pollutants and particulate matter. It is measured using the Air Quality Health Index (AQHI), a standardized scale that categorizes air quality levels based on concentrations of pollutants. The AQHI is presented on a scale of 1 to 10+ with 4 health risk categories:

1 to 3 = ‘low’ health risk;
4 to 6 = ‘moderate’ health risk;
7 to 10 = ‘high’ health risk;
Above 10 = ‘very high’ health risk.

In recent years, the prevalence of forest fires has raised concerns about deteriorating air quality. The smoke, ash, and other pollutants from forest fires can irritate the respiratory system, further compromising the lung health of people with CF. Poor air quality can cause breathing difficulties, increased mucus production, coughing, wheezing, and chest discomfort. Studies have shown that exposure to air pollution, including during forest fires, can lead to increased respiratory symptoms, decreased lung function, and increased risk of respiratory infections. Prolonged exposure to poor air quality can worsen lung inflammation and potentially contribute to disease progression. Forest fires can have an impact on air quality even if they are far away from you. They are especially common in the summer, so it is especially important to be aware of AQHI at this time.

To protect yourself during periods of poor air quality, it is valuable to be aware of air quality levels. By regularly checking the AQHI from weather outlets, you can take necessary precautions to minimize exposure to polluted air. This may involve staying indoors with windows closed, using air purifiers, and avoiding strenuous outdoor activities.

Here are some resources you can use to check the AQHI. There are also general recommendations to follow for “at risk populations” on each website:

Government of Ontario

The Weather Network (you can also download the app from the App Store or Google Play Store)

For more guidance and personalized recommendations please reach out to the Toronto CF Care team. You can reach us through our General Inquiry & Clinic Bookings by telephone at 416-864-5409 or via email at cfclinicbookings@smh.ca, you can also discuss it with your CF team at your next clinic visit. Finally, remember to contact your CF team if you feel sick.