Health concerns over smoke from forest fires were pushed to the forefront this week after a nine-year-old boy in British Columbia died from asthma exacerbated by wildfire smoke.
Regulations on air quality vary across federal and provincial jurisdictions but none mandate the use of high efficiency particulate air – or HEPA – filters, or those that have a minimum efficiency reporting value of 13 – termed MERV-13 – or higher. Health Canada recommends that public buildings and institutions install mechanical HVAC systems capable of being equipped with a MERV-13 filter or higher to remove fine particulate matter, but it is not legally required.
Stéphane Bilodeau, an indoor ventilation expert and lecturer in the bioengineering department at McGill University, said it's time to move beyond suggestions for indoor air quality.
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