Wildfire smoke and ozone pollution trigger air quality alerts in multiple states, raising risks for respiratory and heart ...

A collaborative team of researchers led by the Washington University in St. Louis (WUSTL) recently examined long-term trends in ambient fine particulate matter known as PM2.5 between 1998 and 2019 to ...

As wildfire smoke from Canadian blazes continues to degrade air quality across large parts of the United States, health ...

In a recent study published in Environmental Research, researchers conducted a nationwide cross-sectional analysis of the long-term consequences of particulate matter (PM 2.5) and its five components ...

Wildfire smoke has continued to blanket the Great Lakes region, among others, and the intensity is enough that nearly all ...

Wildfire smoke flight delays hit Great Lakes airports July 15 as Canadian PM2.5 haze blankets 100 million Americans. Toronto ...

As wildfire smoke blankets the East Coast, Air Quality Index and PM2.5 numbers are everywhere. Here’s what they mean. Air Quality Index, or AQI, and PM2.5, particulate matter which measures 2.5 ...

In a recent study posted to the Research Square* preprint server, researchers investigated the sex-stratified effects of childhood exposure to ambient air pollutants, such as particulate matter with a ...

Metal particles from the abrasion of brake pads—up to a fifth of fine particulate matter (PM2.5) air pollution at roadsides—may cause inflammation and reduce the ability of immune cells to kill ...

EPA has proposed lowering the level of the National Ambient Air Quality Standard (NAAQS) for PM2.5. Under EPA’s proposal, the 24-hour PM2.5 standard would be lowered from 65 micrograms per cubic meter ...