Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

Air quality is a big concern for everyone in Southern California, even for those who don't live near fire zones. Here are answers to some of your top questions.

Wildfire ash carries many carcinogens that could cause short- and long-term health problems, including asthma attacks and ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, closed-toed shoes and cut-resistant gloves. Clean or decontaminate anything ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

The Oregon DEQ has issued an air quality advisory for parts of Oregon due to stagnant air trapping pollutants.

KCRW and R&S Kayne Foundation Los Angeles held a public information panel and Q&A session regarding immediate and long-term ...

Northwell Health partnered with Stacker to analyze the most polluted cities in the United States, using EPA and American Lung Association data.

The Coachella Valley, as well as Rancho Cucamonga, Santa Ana, Anaheim, Riverside, San Bernardino and nearby areas, are ...