Annual Report
Annual Air Quality Report combines the 2008 and 2009 air quality reports in order to include information on the South County Phase 2 Particulate Study, the new Federal ozone air quality standard, exceptional events documentation, and an update on previous Annual Report data presentations. In addition, an air quality trends analysis is included that evaluates the past seven years of ozone and PM measurements countywide. The trends show ozone levels are highest in the eastern part of the county, but have generally declined over that past several years. PM10 trends show higher concentrations in the south county than other areas, with no discernible decline in levels over the analysis period.
2008 - 2009 Annual Air Quality Report
Past Reports
2007 Annual Air Quality Report
2006
Annual Air Quality Report
2005 Annual Air
Quality Report
2004 Annual Air
Quality Report
2003 Annual Air Quality Report
2002 Annual Air
Quality Report
2001 Annual Air Quality
Report
2000 Annual Air Quality
Report
1999 Annual Air Quality
Report
All documents posted as PDF
versions.
Contact us to request a copy of
the report by mail.
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