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Indoor air quality professionals may include industrial or occupational hygienists, public health or medical professionals, environmental consultants, or other professionals that have an understanding of IAQ along with the training and equipment to investigate more detailed air quality issues,...

Indoor air quality (IAQ) is a recognized health and safety issue. Indoor air quality issues may occur in buildings when chemical and biological contaminants exist at levels that may pose a health risk to building occupants. It is also important to note that some building occupants may be...

Health-based air quality objectives will identify safe exposure levels of outdoor air pollutants of concern for human health.

Fine Particulate Matter (also known as PM2.5) are particles in the air that measure less than 2.5 micrometers (μm) in diameter, and typically consists of a mix of things like smoke, soot, liquid or solid particles in aerosol, or biological matter like mould, bacteria, pollen and animal dander....

When outdoor air quality is poor, Health Canada recommends that individuals, particularly children, the elderly and those with pre-existing health conditions remain indoors as much as possible. Ensuring good indoor air quality is especially important during periods of poor outdoor air quality.

In Canada, wildfire season occurs between April and October each year and can coincide with periods of extreme heat. It is important to know how to protect your health when experiencing wildfire smoke and extreme heat together.

Those who are at higher risk of the health effects from wildfire smoke will benefit the most from using an air purifier, also known as a portable air cleaner

Learn how to protect yourself from wildfire smoke.

If you live in an area at higher risk for wildfires, it's best to be prepared. You can develop plans and take actions to protect yourself and your family before wildfire season starts.

Resurfacers and edgers used to maintain the ice surface in these arenas are typically powered by internal combustion engines, which emit air pollutants such as carbon monoxide (CO) and nitrogen dioxide (NO2), both of which are associated with adverse health effects. Recommendations for reducing...