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

Poor air quality has been detected in multiple states surrounding California. The state has been hit with multiple deadly ...

(Washington, D.C. – January 15, 2025) Environmental Defense Fund, Moms Clean Air Force and EcoMadres today unveiled a new website and interactive map that illustrates unhealthy air pollution from the ...

USC researchers say they hope the map can help L.A. residents make more informed decisions about their health. Diesel exhaust accounts for more than two-thirds of cancer risk from air pollution in ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

And how did they work it out? So, what makes the US’s situation so precarious? Well, not to state the obvious, but a lot of it is because of all the air pollution. It turns out the air in the US ...

“People living next to these large magnets for diesel pollution are breathing some of the most toxic air in the country.” But trucking industry professionals argue that maps like this could be ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

The Air Quality Index, often referred to as AQI, is a federal measure of the amount of air pollution, reported on a six-color spectrum from green (good) to hazardous (maroon). There are five ...