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

While containment on the Eaton and Palisades fires continue to grow, forecasters with South Coast AQMD say ‘hazardous ash’ ...

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

Portland’s air quality is currently comparable to Los Angeles, despite the ongoing wildfires in Southern California.

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

Think back to the red AQI forecast on your phone. What information was it trying to convey? The Air Quality Index (AQI) is a ...

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

The Oregon Department of Environmental Quality issued an air quality advisory for La Pine Tuesday due to stagnant air ...

The LA wildfires have burned tens of thousands of acres – but on some weather maps, air quality still looks good. What’s ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

Air quality in cities across Bosnia and Herzegovina (BiH) has significantly deteriorated due to seasonal heating, traffic emissions, and construction dust.

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds.