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

What we’re really worried about is the PM2.5 levels,” or the fine particles in wildfire smoke, which have a diameter of less than 2.5 micrometers. In order for particles to enter your lungs’ air sacs, ...

Missoula is under an Air Stagnation Advisory until Friday. But, what exactly does that mean? Let's learn more about ...

Real-time air quality information is available at fire.airnow.gov. Cheri Carlson covers the environment and county government for the Ventura County Star. Reach her at cheri.carlson@vcstar.com or ...

These conditions which are still under evaluation are due to LA fires, says AirNow.gov. The air quality data and forecasts website says New Jersey is receiving a high pressure that will build into ...

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Nearly one month after wildfires erupted in the Pacific Palisades and Altadena, L.A. residents and locals speak up about why ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — poses additional risks to public health.

A toxic soup of smoke, chemicals and particulate matter is being spread across the city by gusty winds. Here's what to look for in an air purifier.

Arizona is the only state with 'unhealthy' air quality. Part of it stems from our geography, but part also comes from our choices.