Mapping America’s Invisible Pollutants: A Landmark Study on PM1

What are the health implications between particulate matter (PM_2.5) pollution and PM₁ pollution, which are the diameter in microns? This is what a recent study published in The Lancet Planetary Health hopes to address as a team of scientists led by the Washington University in St. Louis (WUSTL) conducted a first-time investigation into PM₁ by it to PM_2.5 throughout the United States across several decades? This study has the potential to help researchers…