Exposure to particulate matter leads to human suffering and high costs. But what exactly is particulate matter? What makes it so dangerous, and what can you do about it? Ties Korstanje, programme ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

People breathing contaminated air over the course of years are at greater risk of developing numerous diseases. This is thought to be due to highly reactive components in particulate matter, which ...

The National Academies is convening an expert committee to consider the state-of the-science on the health risks of exposure to fine particulate matter (PM2.5) indoors and engineering solutions and ...

The Environmental Protection Agency released the final version of a much-anticipated rule on Wednesday that tightens restrictions on fine particulate matter — one of the most pervasive and dangerous ...

Nearly half the country is exposed to unhealthy air that poses serious health risks, according to a new report from the American Lung Association, which warns that climate change is threatening ...

We visualized the damaging, tiny particles that wreak havoc on human health. From the Bay Area to New Delhi, see how the world’s worst pollution compares with your local air. The floating particles on ...

Late last week, the Environmental Protection Agency proposed tighter limits to one of the country’s most dangerous air pollutants: fine particulate matter, or soot. But while the long-awaited move ...

The light obscuration method, shown here, is automated and may be the easiest particle-counting method. Particulates that may be present on intravenous medical devices such as guidewires, catheters, ...