The 2004 Clean Air Plan update shows progress towards meeting the state one-hour ozone standard. This update will not affect the 2001 Clean Air Plan, which remains effective for federal requirements.

The 2004 Clean Air Plan was adopted by the APCD Board on December 16, 2004.

You may download the entire Final 2004 Clean Air Plan and the Final Supplemental Environmental Impact Report (SEIR) as PDF files. Note: downloading the entire plan may take some time. For downloading instructions, see How to View and Download Documents.

You can also download specific chapters by clicking on the PDF file link below. For additional information, contact  Jim Fredrickson at 805-961-8892.

Executive Summary PDF
Includes Table of Contents
1. Introduction PDF
1.1 Purpose
1.2 Current State Planning Requirements
1.3 Summary of Attainment Planning Efforts
1.4 Plan Organization
2. Local Air Quality  PDF
2.1 Introduction
2.2 Climate of Santa Barbara County
2.3 Air Quality Monitoring
2.4 State Ozone Exceedances
2.5 Air Quality Indicators
2.6 Designation Value
2.7 Transport Impacts
2.8 Conclusions
3. Emission Inventory PDF
3.1 Introduction
3.2 Pollutants
3.3 Annual Emission Inventory Hierarchy
3.4 2000 Annual Emission Inventory
3.5 2000 Planning Emission Inventory
3.6 Conclusions
4. Emission Control Measures  PDF
4.1 Introduction
4.2 Emission Control Measure Mandates
4.3 Emission Control Measures Adopted Before 2001
4.4 Emission Control Measures Adopted During the Reporting Period (2001-2003)
4.5 Proposed Emission Control Measures
4.6 Emission Control Measures for Further Study
4.7 Conclusions
5. Transportation Control Measures  PDF
5.1 Background
5.2 Historical Trends in Vehicle Activity
5.3 Transportation Control Measures
5.4 On-Road Mobile Source Emissions Analysis
5.5 Emission Results
5.6 Departures from EMFAC2002 Defaults
6. Emission Forecasting  PDF
6.1 Introduction
6.2 Emission Forecast
6.3 Emission Inventories
6.4 Impacts of Marine Shipping Emissions
6.5 Conclusions
7. Public Participation PDF
7.1 Introduction
7.2 Community Advisory Council Comments
7.3 2004 Plan Public Workshop
7.4 Written Comments and Responses on the 2004 Plan
7.5 ARB Transport Analysis
Glossary of Terms/Acronyms  PDF
2004 Clean Air Plan Final Supplemental Environmental Impact Report PDF