An air stagnation advisory has been issued for large portions of Idaho and Oregon, warning residents of stagnant air ...

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

The hazardous air quality in Los Angeles is largely a result of smoke from the Pacific Palisades Fire, intensified by strong ...

Officials are warning of windblown ash and other pollutants from Los Angeles-area fires and say air quality readers won't ...

"Light winds and limited air movement will lead to a period of stagnant air conditions," NWS said, warning of "deteriorating ...

Fanned by fierce winds and fueled by vegetation bone-dry after a long period of little or no rain, the Los Angeles fires ...

The National Weather Service has issued a Red Flag Warning for most of San Diego County amid another round of Santa Ana winds ...

Air quality issues from the fires have the potential spread far, so medical expert David Geier is warning the Lowcountry to ...