In the dial you’ll find: The U.S. Air Quality Index (AQI) is a tool used by the U.S. Environmental Protection Agency to communicate with the public about outdoor air quality and health.The AQI ...

The service provides information based on a measure called the Air Quality Index, which gauges just how bad the air has become in a particular place. Having an understanding of the Air Quality ...

An AQI value of 100 is considered the threshold for safe air quality. Values at or below 50 are considered good, with 51 to 100 considered “moderate,” or potentially risky for people who are ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

However, none of them could find any information on the local news ... The Chicago Department of Public Health later confirmed that the air quality index in Chicago was actually at safe levels.

When you input your zip code, you will have a dial that shows up to the right of where you entered the zip code. The U.S. Air Quality Index (AQI) is a tool used by the U.S. Environmental Protection ...