The American Lung Association is out with its most polluted cities in America and also the cities with the cleanest air.
Rochester is listed as 3rd best in the annual "State of the Air" report.
In north Iowa, Wright County received a "C" grade for particle pollution.
There are no air polluiton testing monitors in the Mason City area.
Los Angeles, CA is the worst for air pollution, and Honolulu, HI tops the best air list.
For a complete list, and a breakdown of more in-depth details by state and counties, go to the related link to this story.
