The U.S. Air Quality Index (AQI) is the Environmental Protection Agency’s tool for reporting outdoor air quality and health.

An air quality alert has been issued for much of the Chicago area Wednesday afternoon as Canadian wildfire smoke once again ...

Milwaukee currently has the worst air quality in the U.S., The New York Times reported on June 4. Here's what you need to ...

Air quality has gotten so bad in Iowa due to wildfire smoke that the Iowa DNR has issued an air quality alert after AQI ...

The New York State Department of Environmental Conservation has issued an air quality health advisory for elevated ...

A measure called the Air Quality Index gauges just how bad the air has become in a particular place. Readings of 100 or higher usually serve as a warning to people who have respiratory conditions ...

The Air Quality Index (AQI) is used by various government agencies to report how clean or polluted the air is in your area. For example, you may have spotted this metric popping up in local ...

"The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for elevated levels ...

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the pollution floating in the skies. But those types of indicators don't capture ...

Donate now. Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L.A. County ...

Alena is a professional writer, editor and manager with a lifelong passion for helping others live well. She is also a registered yoga teacher (RYT-200) and a functional medicine certified health ...

Sam Delgado was a Future Perfect fellow writing about labor and food systems, public health, and literacy. The Palisades and Eaton fires in Los Angeles have destroyed over 10,000 structures ...