Protect your lungs against fire smoke

Fine particles (PM2.5) represent the main health risk from wildfire smoke. These particles aren't visible to the human eye and have been linked to a wide range of health effects. There's no known safe level of exposure for some of these pollutants. This means that smoke can impact your health even at very low levels.

Fine particles PM2.5 have significant impact on health

PM 2.5’s microscopic size increases its potential to be lodged deep into the respiratory tracts. At 2.5 microns, PM2.5 is capable of entering the circulatory system and even the brain (canada.ca). Short term symptoms of exposure to high levels of particulate matter include irritation of the throat and airways, coughing, and difficulty breathing (https://www.iqair.com/ca/newsroom/pm2-5).

The World Health Organization (WHO)'s latest recommendation is that the annual average PM2.5 concentration should not exceed 5 µg/m³, and the 24-hour average should stay below 15 µg/m³ (WHO Air Quality Guidelines).

There are several ways to protect yourself:

1. Monitor the air quality in your area using Firesmoke.ca or the Air Quality Index, and reduce your exposure to outdoor activities accordingly.

2. If outdoor air conditions are improper, keep windows and doors closed and install a portable air filtration system with a HEPA filter or rated for PM2.5 particles.

3. If you have to go outside, wear a mask that can block PM2.5 particles (N95 or KN95).

4. If using an air conditioner, set it on the recirculation setting.