Wildfire smoke is a complex mix of gases and fine particles, with PM2.5 being the most concerning for your health. These particles penetrate deep into your respiratory system, exacerbating conditions like asthma and chronic obstructive pulmonary disease (COPD).

A large study by researchers from the University of Washington found that pregnant people exposed to wildfire smoke were more likely to deliver early.

The weather is good, the fuel is ready, so Arizona forest managers are conducting prescribed burns in the coming weeks.

The San Jose City Council has approved a pair of policy reforms – a temporary moratorium on tobacco retailers and a ban on nitrous oxide sales in those establishments – that it says will

Smoke detectors that only beep at night are acting up for a specific reason: Here's what can save your sanity and sleep.

A vehicle crash Tuesday afternoon on the Capital City Freeway in Sacramento was sending up a column of black smoke after one of the vehicles caught fire, the California Highway Patrol reported. The crash involving three vehicles was reported about 4:20 p.m. on the freeway near N Street, according to the CHP’s online dispatch records.

ANTIOCH — A 9-year-old boy remained hospitalized Tuesday while recovering from at least one gunshot that injured him Sunday when gunfire erupted at a smoke shop, police said.

Cannabis use poses cancer risks beyond just your lungs — including oral cancer and other cancers involving the mouth, voice box, and salivary glands.

The City of Marion has issued a smoke advisory in the east Marion area in reference to a large outside fire involving vegetative debris.