Cities in California, Texas and Arizona are expecting air quality to become unhealthy for sensitive groups on Thursday.

In California, the South Coast Air Quality Management District has issued an alert through 11:59 p.m. Friday for the Coachella Valley because of high levels of particle pollution from windblown dust.

Air quality alerts were issued across two counties in Southern California on Friday amid harmful pollution levels.

In January, the Palo Alto school board met to discuss requiring high schoolers to take courses covering the displacement of Native Americans and the Black Panthers’ role in the Civil Rights ...

California cities nearly covered all five spots in the Top 5 Most Polluted Cities when it comes to year-round particle ...

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

This is a big deal,” Gov. Gavin Newsom said Thursday, noting California has the largest civilian aerial firefighting fleet in ...

A California school district has apologized after a U.S. Border Patrol recruiter was "inadvertently" denied access to a high school career fair this week, saying what happened was a ...

The Climate Prediction Center's recent dire drought outlook for California and the western United States has some more bad news: The dry, hot conditions will worsen air quality and introduce more ...