Is the Air Quality Index enough? What the AQI can — and can't — tell you about how healthy the atmosphere is.
After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...
The Air Quality Index and how to use it, explained
The Air Quality Index, set by the Environmental Protection Agency, is your guide to how bad the air quality is outdoors. The ...
Why It’s So Confusing to Determine Air Quality in Los Angeles Right Now
Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...