HEPA, HEPA, hooray
The “State of the Air” 2025 report reveals that 46 percent of Americans, 156.1 million people, live in areas with unhealthy levels of ozone and particle pollution, especially super-small particles called PM2.5.
Short-term exposure (up to 24-hours) to these small particles from traffic, construction, industry or soot is associated with increased emergency room visits and hospital a…