AQI summary reports

Annual  summaries of AQI counts and alert days in Minnesota cities. The data included in each report are based on the AQI calculation during the reporting year. Due to periodic changes to the AQI methodology, these reports may not match the Minnesota AQI Trends summary.

• Minnesota Air Quality Index Trends - 2003-2012
• 2012 Summary
• 2011 Summary
• 2010 Summary
• 2009 Summary
• 2008 Summary
• 2007 Summary
• 2006 Summary
• 2005 Summary
• 2004 Summary

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