Air Trends
Air Quality Monitoring Information
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Data Available through 2010 Status and Trends
- Air Quality Statistics by County 2010
(PDF) (24pp, 1.2 MB)
(Excel spreadsheet) (105k)
- Air Quality Statistics by City, 2010
(PDF) (15pp, 657k)
(Excel spreadsheet) (73k)
- Air Quality Trends by City, 2000-2010
(PDF) (13pp, 651k)
(Excel spreadsheet) (243k)
- Air Quality Trends by City, 1990-2010
(PDF) (16pp, 1.5 MB)
(Excel spreadsheet) (129k)
Data Available through 2009 Status and Trends
- Air Quality Statistics by County 2009
(PDF) (26pp, 66k)
(Excel spreadsheet) (233k)
- Air Quality Statistics by City, 2009
(PDF) (13pp, 41k)
(Excel spreadsheet) (123k)
- Air Quality Trends by City, 1990-2009
(PDF) (15pp, 77k)
(Excel spreadsheet) (297k)
Data Available through 2008 Status and Trends
- Air Quality Statistics by County 2008
(PDF) (26pp, 66k)
(Excel spreadsheet) (233k)
- Air Quality Statistics by City, 2008
(PDF) (13pp, 41k)
(Excel spreadsheet) (123k)
- Air Quality Trends by City, 1990-2008
(PDF) (15pp, 77k)
(Excel spreadsheet) (297k)
Data Available through 2007 Status and Trends
- Air Quality Statistics by County, 2007
(PDF) (16pp, 976k)
(Excel spreadsheet) (227k)
- Air Quality Statistics by City, 2007
(PDF) (5pp, 291k)
(Excel spreadsheet) (76k)
- Air Quality Trends by City, 1990-2007
(PDF) (17pp, 1.5 MB)
(Excel spreadsheet) (241k)
Data Available through 2006 Status and Trends
- Air Quality Statistics by County, 2006
(PDF) (17pp, 55k)
(Excel spreadsheet) (250k)
- Air Quality Statistics by City, 2006
(PDF) (6pp, 29k)
(Excel spreadsheet) (88k)
- Air Quality Trends by City, 1990-2006
(PDF) (22pp, 71k)
(Excel spreadsheet) (304k)