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

State legislators say the bipartisan bill would support overworked firefighters by addressing staffing issues.

For Utahns, the devastation in LA should be a sobering reminder that we, too, live in a fire-prone landscape and must do more ...

L.A. County Department of Public Health convened experts for a webinar that aimed to answer questions that residents have ...

Thousands of farmworkers labored in fields in Ventura County, Calif. in late January in wildfire smoke. They have little to no protection from its harmful effects.

Senate Republicans announced a package of bills, one authored by Republican Mother Lode State Senator Marie Alvarado-Gil.

A study published in JAMA Neurology has discovered a troubling new health concern: prolonged exposure to wildfire smoke may ...

Fort Eisenhower residents have voiced concerns about the use of controlled burns and recent mechanical mulching operations ...

Researchers from McMaster University in Ontario, Canada have found that smoke from wildfires can transport toxic pollutants ...

Urban wildfires like LA’s make harmful chemicals from burning plastics and electronics that can make indoor air dangerous for months.

There’s the initial shock and chaos in a collective disaster like the deadly and destructive California wildfires.

Early detection is so incredibly important, because right now we're relying on hikers or people driving by, or people seeing ...