The air we breathe every day is a bit cleaner than it was a few years ago, according to an Axios analysis of EPA data. Why it matters: Long-term exposure to poor air quality is harmful to your health.

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

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.

Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

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 ...