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

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.

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

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

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