2007-2009

The State of the Air 2011 report looks at levels of ozone and particle pollution found in monitoring sites across the United States in 2007, 2008, and 2009. The report uses the most current quality-assured nationwide data available for these analyses. The topics below will link you to more information.

FACT: Twenty-five of the top 27 most-polluted cities for year-round particle pollution levels had cleaner air than last year’s report found.

Help us Fight For Air! | See more facts »

Content

SOTA 2011 Survey