Wildfire smoke highlights need for better ventilation in public spaces
Wildfire smoke hanging over communities across Canada in recent months has highlighted the need for better ventilation in buildings used by the public, experts say, urging the establishment of strong indoor air quality standards.
“Particulate matter, fine particles in the air – smoke being one of them – is by far the most harmful pollutant and what causes the most damage to public health,” said Joey Fox, an HVAC engineer and chair of the indoor air quality advisory group for the Ontario Society of Professional Engineers. Studies show that poor indoor air quality in office buildings and schools has been linked to increased health issues, absenteeism, loss of productivity and strained relations between employees and employers, according to the Canadian Centre for Occupational Health and Safety.
In B.C., it’s recommended that school districts “regularly maintain HVAC systems” and open windows where possible. The province says it spent $2.5 million to install 1,914 standalone filtration HEPA units in classrooms that had no mechanical ventilation.
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