The map pulls data from air monitors, hundreds of pollution sensors, and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air ...

Air-quality officials are advising people in several Southern California cities to keep their doors and windows closed amid ...

As fires burned in Los Angeles this year, newer toxin monitors found contaminants that aren’t measured by standard methods. Now scientists and officials are pushing for better detection ...

"This is our Hurricane Katrina—an epochal disaster that's changing Los Angeles," said Dr. David Eisenman, whose research focuses on public health and disasters. "The fire transformed everything: our ...

Depending on the different pollutants in the air, like pollen or wildfire smoke, some days can be easier to breathe than others for Oklahomans.