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Determining factors that impact indoor and outdoor air quality, including mould, radon, VOCs, and criteria air contaminants.
Radon is a colourless, odourless gas that is released from the degradation of uranium naturally present in rock and soil. Radon levels outdoors are generally low; however, radon can enter buildings and homes through cracks and openings in the foundation and levels can become much higher indoors, especially in basements and lower floors. Long term exposure to radon increases the risk of lung...View Full Article
The frequency and intensity of Canadian wildfires is increasing as a consequence of the changing global climate, as well as long-standing forest management practices (Flannigan et al., 2013). Fires pose a direct threat to lives and properties in some communities, and also cause episodes of extreme smoke pollution that threaten the health of populations over large geographic areas. Wildfire smoke...View Full Article
Carbon monoxide (CO) is an odourless, colourless, and non-irritating gas that is harmful to humans. As a by-product of incomplete combustion, CO is produced by fuel-burning appliances including boilers, furnaces, fireplaces, kitchen stoves, and laundry dryers. Cigarette smoke and vehicle exhaust also contribute to indoor CO levels. At low levels of exposure, symptoms can include headache, nausea...View Full Article
Mould is a ubiquitous fungus in outdoor environments that inevitably makes its way indoors. The general population is commonly exposed to mould through inhalation, and less commonly through direct contact, with no adverse effects. However, individuals with asthma or other underlying respiratory ailments may show sensitivity to mould or its cellular components that may trigger respiratory tract...View Full Article