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.

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

Northwell Health partnered with Stacker to analyze the most polluted cities in the United States, using EPA and American Lung Association data.

Ash from the wildfires, which can irritate your skin or lungs, falls out of the air and settles onto the ground and therefore ...

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