The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

A live map from AirNow showed that, as of 10:42 a.m. ET, air quality considered unhealthy for sensitive groups was detected in parts of California, Oregon, and Idaho, while "unhealthy" air was ...

The EPA's new Trace Atmospheric Gas Analyzer, or TAGA bus, will be looking at the air quality in the area, tracking for the ...

Even if you don't live in an area where wildfires are typical, it's important to know how to protect your health.

“We spend approximately 90 percent of our lives inside the built environment, so your indoor environment impacts your ...

Newborns exposed to higher levels of NO2 have a 30-35% higher risk of NICU admission and an 11-22% increased risk associated ...

The Supreme Court’s March argument session will include a dispute over a congressional voting map that created a second majority-Black district in Louisiana, a challenge to an accessibility program by ...

Here's what you need to know about the federal funding freeze and how it's affecting environmental projects in Massachusetts.

When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication occurs when too many nutrients enter a body of water, increasing the amount of ...