The air quality index (AQI) in many LA regions looks good, but that doesn't mean the air is safe. Why it matters: The AQI in your weather app doesn't account for all pollutants caused by wildfires.

A more accurate way of measuring this pollution would be through its AQI, a tool that measures the quality of air at various levels. A reading of 450-500 is what Delhi is recording at the moment ...

As authorities continue to investigate the "suspicious" death of actor Gene Hackman and his wife, classical pianist Betsy ...

Air pollution results in over 7 million deaths each year. In this episode of Possibly, we look at the most common way to measure air quality, the Air Quality Index, and what it means for you.

While some of these risk factors are non-modifiable (meaning, you can’t change them), there are some things you can do to help lower your risk of breathing in air on a poor AQI day.