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 ...

The best smart smoke detectors add a layer of connectivity to this essential device in your home. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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.

Smoke detectors can protect your home and family in the event of an emergency. Here are CNET's expert recommendations. Laboratory Technical Project Manager Gianmarco Chumbe has been part of the ...

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 ...