Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

Wildfires are burning in Northern California and Southern Oregon. A Spare The Air Alert day is in effect Friday due to poor ...

SAN FRANCISCO — The Bay Area Air District on Thursday issued an air quality advisory due to smoke from wildfires burning in ...

Residents are encouraged to limit outdoor activities, stay indoors with windows and doors closed, and use air conditioners ...

More than half of Utah is now in severe drought, but it is far from the only Western state experiencing dry conditions. Utah ...

Despite Thursday morning starting off comfortable for much of Northern California, a hot, hazy day is expected later in the ...

Researchers have identified an actively creeping section of the Concord Fault running through local communities in California ...