Add Yahoo as a preferred source to see more of our stories on Google. Ultrafine particles stem from a variety of natural and human-made sources, including vehicle exhaust. Joe Raedle/Getty Images Long ...

Hidden organic particles high in the stratosphere may reshape how scientists understand climate, ozone chemistry, and ...

Exposure to air pollution–derived ultrafine particles alters gene transcription by epigenetic mechanisms, a new study shows. The changes affected, for example, cellular survival. Ultrafine particles ...

Ultrafine particles, UFPs, the smallest contributors to air pollution, hinder the function of mitochondria in human olfactory mucosa cells, a new study shows. The study showed that traffic-related ...

Worse, these contaminated particles pose a double risk, researchers said – first when they are airborne, and again when they ...

Outdoor air pollution was estimated to cause 4.2 million premature deaths worldwide per year as of 2019. This is largely due to exposure to particulate matter (PM), a combination of tiny solid ...

A new study conducted in Canada's two largest cities has linked about 1,100 premature deaths per year to an unregulated air pollutant. Ultrafine particles (UFPs) primarily come from vehicle emissions ...

Fine and ultrafine particles from road traffic are among the most harmful pollutants for health. They are also the most ...

PSI researchers conducted air quality measurements in the area surrounding Zurich Airport in the winter of 2022 and the summer of 2024. In these two measurement series, each lasting several weeks, ...

It's tough not to run across an article linking – by association – air pollution with adverse health effects. Over time scientists have focused more of their research on one component of our air: ...

While small home appliances are intended to make our lives easier, they can also come with significant health risks. Researchers have characterized the ultrafine particles emitted by some small home ...

There is still some good news around. Colorado made history by being the first state in our nation to identify ...