The rise in extreme wildfires is contributing to higher levels of hazardous air pollutants, including PM2.5 and ground-level ozone, which are linked to respiratory and cardiovascular diseases. Vulnerable populations, such as children, the elderly, and those with pre-existing health conditions, are at heightened risk. The report also highlights the need for improved monitoring of aerosols, black carbon, and microplastics, which are not adequately tracked despite their health implications.