Wisconsin Department of Natural Resources

Rural northern Wisconsin ozone trends

Annual highest AQI for ozone at northwest Wisconsin monitors, 1987 to 2005

Northern Wisconsin - percent monitored days in AQI category, for ozone, 1987 to 2005

Graphs are based on amalgamated data from four Wisconsin monitoring sites: Trout Lake, Popple River, Bad River and Potawatomie.

Air Management || Today's Air Quality || Recent Monitoring Data || Air Monitoring Network

Last Reviewed: December 6, 2006
Next Review: December 6, 2007
Last Revised: Thursday October 01 2009