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 Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members ... Los Angeles was under air-quality alert from the NWS on Wednesday ...

Still, the South Coast Air Quality Management ... has issued a high Red Flag Alert until 6 p.m. Wednesday for much of the area surrounding the Coachella Valley, meaning critical fire conditions ...

Strong winds over the next day will create dangerous conditions as several major wildfires continue to burn in the Los ...

Southern California wildfire maps: What does containment mean? Here's the latest Air quality alert issued for the Coachella Valley this weekend due to wildfire smoke, ash 'Replaying all of the ...

Laura Cole, a singer-songwriter from Hamilton now living in Los Angeles, says she's packing up just to be safe.

"This does not mean that the Paris Agreement has been breached ... Emissions from the fires have severely degraded air quality across much of South America. In September, carbon emissions from ...

On Wednesday at 3:18 p.m. an updated air quality alert was issued valid until Thursday at 6 p.m. The alert is for Ventura ...

An air quality alert was issued on Wednesday at 4:14 p.m. in effect until Thursday at 6 p.m. The alert is for San Bernardino ...

A pause for concern for some Capital Region residents after receiving alerts on their phones for air quality concerns in the ...

On Sunday at 4:25 p.m. an air quality alert was issued valid until Tuesday at 10 p.m. The alert is for Calabasas and Agoura Hills, Eastern San Fernando Valley, Eastern San Gabriel Mountains ...