A former environmental manager for the Fort McKay First Nation, Jean L’Hommecourt, observes a haze of dust frequently enveloping her home in Fort McKay overlooking the Athabasca River. The community, situated amidst oil sands operations about 55 kilometers north of Fort McMurray, Alberta, is besieged by mines and industrial activities.
Research recently published in Atmospheric Pollution Research reveals that Fort McKay is disproportionately affected by dust pollution, often surpassing air quality regulations. The study, led by University of Toronto PhD candidate Kristin Iorio and independent researchers in Alberta, highlights the community’s exposure to intense dustfall events driven by large particles of dust that conventional monitoring fails to detect.
Over a 24-month sampling period, Fort McKay experienced monthly dustfall levels exceeding Alberta Ambient Air Quality Guidelines on 17 occasions, surpassing acceptable thresholds nearly 20% of the time. The community recorded higher dustfall volumes compared to other areas in the Wood Buffalo region.
To assess dust exposure, researchers analyzed data collected by the Wood Buffalo Environmental Association and the Fort McKay Sustainability Department using various methods, including dustfall buckets and ambient air quality tools. The study emphasizes the need for enhanced monitoring and regulatory measures to address the significant impact of coarse particulate matter pollution from industrial activities, construction work, and mining operations in the region.
Experts advocate for the establishment of new air quality objectives and guidelines, including the monitoring of larger dust particles to better protect communities like Fort McKay from the adverse health effects of dust pollution. Continuous monitoring and updated regulatory frameworks are crucial to addressing the mismatch between existing monitoring practices and the episodic nature of industrial pollution in the region.
While the Alberta Energy Regulator and the Fort McKay First Nation opted not to comment on the study, Alberta Environment officials stated that the findings will be considered in ongoing assessments of monitoring approaches and air quality guidelines. Community-led dust monitoring programs are being supported to address the long-standing concerns raised by residents and researchers regarding air quality in Fort McKay.