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 ...

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

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

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

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

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

A total of six towns in Monmouth and Ocean counties have unhealthy air and ozone levels, according to AirNow.gov.

The air that women breathe up to three months before they become pregnant can have an effect on the future baby’s size. A ...

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

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

Fearless journalism is more important than ever. When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world ...