After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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 ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, ...

The USA TODAY analysis focused on days were the Air Quality Index, or AQI, was above 100. At this point, breathing the air primarily poses a risk to sensitive groups but can also impact healthy ...

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

Smoke from the wildfires can wreak havoc on your health. Here are tips to stay safe.

Several parts of southern California are currently under windblown dust and ash advisories as deadly wildfires continue to ...

Here's what to know about improving your air quality at home during a wildfire—these expert tips help you breathe easier when ...

As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.