I've lived in Oregon for a decade, meaning I've experienced multiple wildfire seasons. You learn quickly, in these conditions ...

Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L.A. County, but they shouldn’t breathe a ...

The devastating wildfires caused historic damage and forced major entertainment and sports events to be postponed. Newsweek's live blog is closed.

The US EPA’s National Ambient Air Quality ... to the heart and lungs among the general public. “Unhealthy AQI measurements mean that there is an increased likelihood of heart and lung ...

At such a critical moment in US history ... meaning the smog should be considered harmful to even healthy individuals and outdoors activity should be avoided where possible. Several AQI monitoring ...

What we’re really worried about is the PM2.5 levels,” or the fine particles in wildfire smoke, which have a diameter of less ...

Accounting systems need an overhaul to better capture modern-day value creation, particularly in the context of climate and ...

Multiple massive wildfires are raging in Los Angeles, blanketing the surrounding regions under a pungent haze caused by smoke ...

Strong winds are blowing through the Sacramento Valley this weekend, but Shasta County is having a good fire season so far.

Wildfires tore across the Los Angeles area with devastating force on Wednesday after setting off a desperate escape from ...

Wearing N95 masks and limiting outdoor activities when wildfire smoke is present is best, said experts. Read more at ...