Scott, Muscatine and Clinton counties all received an "F" in air quality from the American Lung Association (ALA) because of high fine particulate levels over the 3-year period, 2006-2008.
The three counties received the failing designation for having a weighted average of nine days or more over the 24-hour pollution standard for particulate matter 2.5 microns and smaller (PM 2.5).
The Iowa Department of Natural Resources today (3/10) issued an air quality advisory for Clinton, Muscatine and Scott Counties because of elevated levels of fine particulate pollution.
A 24-hour reading of 35.5 micrograms per cubic meter was recorded Tuesday (3/9) in Davenport, and levels in the high 30's to mid 50's were expected as of noon today in the three counties.
air quality
