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

Even though the Palisades and Eaton fires are now mostly contained, the Santa Ana winds have led to new fires flaring up ...

Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

Air quality in Pittsburgh is improving, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to your health and has been a problem in Pittsburgh for ...

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

Certain factors impact how long it takes for you to cross that finish line, but what about the air quality? Recently, ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

As fires sweep through Los Angeles County, residents face mounting concerns about contaminated air and water supplies ...

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

Dhaka topped the list of cities having the worst air quality with an AQI score of 295 at 8:55am this morning (January 27, ...

The air that women breathe up to three months before they become pregnant can have an effect on the future baby’s size. A ...