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

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

Weather conditions are trapping smoke and other air pollutants near the ground where people breathe, officials said.

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

The Oregon Department of Environmental Quality issued an air quality advisory for Eastern Lane, Eastern Linn, Eastern Marion, ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

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

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

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

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

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