After a short reprieve, poor air quality returned to the Bay Area Saturday as agricultural pollution from the Central Valley ...

Cities in California made up six of the 10 cities with the worst air quality, including the three worst. People of color were disproportionately exposed to air pollution: The report found 63% of ...

Given morning allergy attacks and increasing environmental health concerns, it’s no wonder people are concerned about potential air quality problems in their homes. While an indoor air quality ...