The American Lung Association's 2024 "State of the Air" report shows pollution getting worse in Minnesota over the last three years. Spokesman Jon Hunter says it involves fine particulate matter.

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 ...

The Lincoln-Lancaster County Health Department encourages people to pay attention to the Air Quality Index (AQI) over the next eight to 10 weeks during spring burning season. Inhaling smoke can ...

It comprises two measures: the number of days with an air quality index below a certain threshold and the number of violation points against drinking water systems in each state. Learn more about ...