British Columbia has declared a provincial state of emergency as fast-spreading wildfires threaten communities and force large-scale evacuations. Thousands have fled their homes, while wildfire smoke has also caused hazardous air quality in Toronto and Ottawa

Wildfires raging across northwestern Ontario have blanketed parts of Canada in dense smoke, pushing air pollution to hazardous levels in Toronto and Ottawa. The fires have disrupted rail operations, forced evacuations, and reignited concerns over the growing impact of climate change