A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution on Friday. The maps showed data for multiple types of pollutant, including ...

Local health officials are warning beachgoers to refrain from swimming, surfing, or playing in the ocean at several popular Los Angeles County beaches after recent tests revealed elevated levels ...

An air quality advisory is in effect for the Bay Area on Friday, as smoke from wildfires burning in far Northern California ...