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

Recent studies show that upgrading HVAC systems and using HEPA filters to improve air quality in classrooms provide health ...

The president's environmental actions will significantly increase the cost of living for millions of people and bring about ...

California drivers may soon face higher prices at the pump after a Senate bill aimed at reversing a 65-cent gas tax increase ...

Poor indoor air quality can affect more than just our breathing. Experts say it can also affect our workouts and recovery.

When a horrific firestorm enveloped Southern California in January, it affected everyone who calls the region home. Even those far from the burn areas had their lives transformed during the event and ...

The Benicia City Council on Tuesday unanimously approved an ordinance to increase oversight of refineries and other “high ...

Offset project developers are looking for solid ground. But questions remain about whether governments can provide that.

South Coast Air Quality Management District issues order for abatement requiring implementation of stricter and innovative ...

Read more on our AI policy here. The NWS Phoenix AZ reported an air quality alert at 4 p.m. on Saturday in effect until Monday at midnight. The alert is for Imperial County Southwest, Imperial ...