The smoke has led to hazardous air quality levels, posing health risks to millions of Americans, particularly those with respiratory or cardiovascular conditions. Fine particulate matter in wildfire smoke can aggravate asthma, increase the risk of heart attacks, and cause other severe health issues. The environmental impact is also significant, with the fires contributing to global carbon emissions and worsening climate change. Both countries face challenges in managing their forests effectively, leaving communities vulnerable to future wildfire events.