Particulate matter is one of six widespread air pollutants for which there are national air quality standards to limit their levels in the outdoor air. Particles themselves are of different sizes.

Diesel engines operate more efficiently than gasoline-powered ones, and they're crucial to the U.S. economy. But does this ...

No exhaust means no emissions, right? Not quite. It is commonly known that while electric vehicles do not produce tailpipe ...

The air quality in all provinces of Thailand was declared "safe" on Monday morning, with the capital, Bangkok, registering the lowest level of ultrafine dust, according to the Geo-Informatics and ...

A new study published in National Science Review examines China's trends in primary particulate matter (PM) emissions from 1960 to 2019, revealing significant transformations in PM size fractions and ...

Long-term exposure to certain air pollutants significantly increased risk for venous thromboembolism, according to results of ...

The two biggest airborne health concerns are ground-level ozone and particulate matter — especially fine particles known as PM2.5, which are 2.5 micrometers in diameter or smaller, according to ...

A new study finds short-term exposure to air pollution can lead to reduced cognitive abilities, hampering day-to-day ...

NASA launched its PACE climate satellite with the Dutch aerosol instrument SPEXone onboard. A full year of observations now ...

A new study has linked higher levels of air pollution to a reduced risk of developing melanoma, but an oncologist warns that ...