The clock is running out on California's Clean Air Vehicle Decal program that allows EVs to travel in the carpool lane ...

As fires rage across the West Coast, destroying homes and forcing evacuations, the air we breathe has been severely impacted. In the following California air quality map, you can see how the air ...

State officials have long considered the rules regulating diesel vehicles essential to cleaning up California’s severe air ...

Millions of people in southern California have been advised to limit outdoor activity and refrain from burning wood on ...

According to the California Air Resources Board, short-term exposures are associated with the worsening of respiratory diseases, including asthma. It’s one of the major pollutants regulated by ...