The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.

The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

A large vegetation fire continued burning just north of the U.S.-Mexico border in San Diego County on Friday night.

SAN DIEGO COUNTY, Calif. — Fire crews continued to battle a wildfire on Friday morning several miles north of the U.S.-Mexico ...

The Palisades and Eaton wildfires also continue burning in the Los Angeles area, leaving parts of Southern California with ...

The bushfire started northwest of Downtown Los Angeles and spread from Los Angeles County to Ventura County and prompted evacuations.

Updating maps of Southern California show where wildfires, including the Palisades, Eaton and Hughes fires, are burning ...

Officials said the one person was rescued from the second floor, and three adults and a teenager were taken to St. Luke's Hospital after suffering from smoke inhalation and other injuries.

LOS ANGELES (KTLA) – The Los Angeles County Fire Department has provided the following maps of the thousands of structures, primarily homes, that were damaged or destroyed in the Palisades and ...

Officers responded to a report of a shooting on Thursday around 11:30 p.m. in the parking lot of a smoke shop, located at 8307 Central Ave., SE. They found a man with a gunshot wound who was ...

the Pacific Northwest, and western Canada. But then the health threats they exacerbate tend to spread widely. “For any particular fire, there's kind of two things that matter for smoke. One is, how ...

AUSTIN, Texas — Nine puppies were saved from a fire early Thursday morning in northwest Austin ... not far from Anderson Mill Road. Black smoke and flames were reportedly seen on site before ...