What is the "Air Quality Index" (AQI)?

What is the "Air Quality Index" (AQI)?

Terry Tamminen (Author & Environmental Policy Advisor) gives expert video advice on: Is there a correlation between smog and human disease? and more...

The Air Quality Index (AQI) differs in different locations depending on where you are in the world or where you are in the United States. The air quality index (AQI) s a ranking of how the air quality is in your particular region in terms of the "criteria pollutants," which are the various pollutants that are regulated under the Clean Air Act.