Fearless journalism is more important than ever. When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world ...

It includes most of Los Angeles, Orange and Riverside counties in the South Coast Air Basin and the Coachella Valley. Blowing dust may result in air quality index levels that are unhealthy for ...

(Reuters) - Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot particles that can penetrate the lungs and brain dropped to ...

Air quality levels across large swathes of California have deteriorated as fires, such as the newly ignited Hughes Fire, continue to burn in and around Los Angeles. While air quality in Southern ...

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the blazes.

Storyline: Wildfires in the Los Angeles area of Southern California have forced residents to remain indoors due to hazardous air quality. Health officials are warning of the long-term effects of toxic ...

Air quality in Los Angeles was at "moderate" levels on Thursday morning, as judged by the EPA's Air Quality Index rating system. Moderate air quality is between 51 and 100, or in the yellow band ...