Jump to main content or area navigation.

Contact Us

Clean Air Markets

Progress Report

Index of Graphics

Please select any of the following thumbails to view the specific chart or map.

Program Basics Figures

Program History
History of ARP, NBP, CAIR and CSAPR
Program Map:
ARP, NBP and CAIR States
Program Map of ARP, NBP, and CAIR States
Program Map:
CSAPR States
Program Map of Cross-State Air Pollution Rule States

Affected Units Figures

Affected Units
Affected Units in CAIR and ARP Programs, 2014
Table of Affected Units
Table of Affected Units in CAIR and ARP, 2014

SO₂ Trends

SO₂ Emission Trends
SO₂ Emissions from CAIR and ARP Sources, 1980–2014
SO₂ State-by-State
State-by-State SO₂ Emissions for CAIR and ARP Sources, 1990–2014
SO₂ Emissions and Heat Input
Comparison of SO₂ Emissions and Heat Input for CAIR and ARP Sources, 2000–2014

Annual NOₓ Trends

NOₓ Annual Program Emission Trends
Annual NOₓ Emissions from CAIR and ARP Sources, 1990–2014
NOₓ Annual Program State-by-State
State-by-State Annual NOₓ Emissions from CAIR and ARP Sources, 1990-2014
NOₓ Annual Program Emissions and Heat Input
Comparison of Annual NOₓ Emissions and Heat Input for CAIR and ARP Sources, 2000–2014

CAIR Ozone Season NOₓ Trends

NOₓ Ozone Season Emission Trends
Ozone Season NOₓ Emissions from CAIR and NBP Sources, 2000-2014
NOₓ Ozone Season State-by-State
State-by-State Ozone Season NOₓ Emissions from CAIR Sources, 2000–2014
NOₓ Ozone Season Emissions and Heat Input
Comparison of Ozone Season NOₓ Emissions and Heat Input for CAIR NOₓ Ozone Season Source, 2000–2014

Emission Controls and Monitoring Figures

SO₂ Controls
SO₂ Controls in the ARP and CAIR SO₂ Program in 2014
NOₓ Annual Program Controls
NOₓ Controls in the CAIR NOₓ Annual Program in 2014
NOₓ Ozone Season Controls
NOₓ Controls in the CAIR NOₓ Ozone Season Program in 2014

Program Compliance Tables

SO₂ Compliance Summary
ARP and CAIR SO₂ Allowance Reconciliation Summary, 2014
Annual NOₓ Allowance Summary
CAIR NOₓ Annual Allowance Reconciliation Summary, 2014
NOₓ Ozone Season Allowance Summary
CAIR NOₓ Ozone Season Allowance Reconciliation Summary, 2014

Market Activity Figures

Allowance Transfers
2014 Allowance Transfers under CAIR and ARP
Allowance Spot Price
Allowance Spot Price (Prompt Vintage), January – December 2014

Sulfur Dioxide and Nitrogen Oxides Trends Figures

National SO₂ Air Quality
National SO₂ Air Quality Trend, 1980-2014
Regional Changes in Air Quality
Regional Changes in Air Quality

Ozone Figures

Percent Change Ozone Season Map
Percent Change in Highest Values (99th percentile) of 1-Hour Ozone Concentrations during the Ozone Season, 2000–2002 versus 2012–2014
Trend in Rural Ozone
Shift in 8-Hour Seasonal Rural Ozone Concentrations in the CAIR NOₓ Ozone Season Region, 1990-2014
Changes in 8-Hour Ozone Concentrations
Seasonal Average of 8-Hour Ozone Concentrations in CAIR States, Unadjusted and Adjusted for Weather
Changes in Ozone Nonattainment Areas
Changes in Ozone NAAQS Nonattainment Areas in the CAIR Region, 2001–2003 (Original Designations) versus 2012–2014

Particulate Matter Figures

PM₂.₅ Seasonal Trends
PM₂.₅ Seasonal Trends, 2000-2014
Changes in PM Nonattainment Areas
Changes in PM₂.₅ Nonattainment Areas in the CAIR Region, 2001–2003 (Original Designations) versus 2012–2014

Acid Deposition Figures

Wet Sulfate Deposition Map
Three-Year Wet Sulfate Deposition
Wet Inorganic Nitrogen Deposition Map
Three-Year Wet Inorganic Nitrogen Deposition
Regional Trends in Deposition
Regional Changes in Deposition

Ecosystem Health Figures

Monitoring Program Site Map
Long Term Monitoring Program Sites and Trends, 1990–2014
Regional Trends in Water Quality
Regional Trends in Sulfate, Nitrate, ANC, and Base Cations at Long-Term Monitoring Sites, 1990–2012

Critical Loads Analysis Figures

Critical Load Exceedances Map
Lake and Stream Exceedances of Estimated Critical Loads for Total Nitrogen and Sulfur Deposition, 2000–2002 versus 2012–2014
Critical Load Exceedances by Region
Critical Load Exceedances by Region

Top of Page

Jump to main content.