![[logo] US EPA](https://webarchive.library.unt.edu/eot2008/20090511145209im_/http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Reports and Data
Trends Reports are EPA's "report card" on the status of air quality and air pollutant emissions.
You will need Adobe Acrobat Reader to view the Adobe PDF files on this page. See EPA's PDF page for more information about getting and using the free Acrobat Reader.
2008 2007
- Latest Findings on National Air Quality - Status and Trends through 2006
- NOx Budget Program 2006 Progress Report
- NOx Budget Trading Program: 2005 Program Compliance and Environmental Results
- Air Emissions Summary Through 2005
- Air Quality Summary Through 2005
- The Particle Pollution Report: Current Understanding of Air Quality and Emissions through 2003
- The Ozone Report: Measuring Progress through 2003
- Latest Findings on National Air Quality: 2001 Status and Trends (PDF) (32pp, 8.0 MB)
- Maximum Air Quality Concentrations by Metropolitan Statistical Area (PDF) (6pp, 392k)
- Metropolitan Statistical Area Trends, 1992 - 2001 (PDF) (25pp, 1.5 MB)
- Number of Days With AQI Values Greater Than 100 at Trends Sites, 1992 - 2001 and All Sites 2001 (PDF) (2pp, 180k)
- Number of Days With AQI Values Greater Than 100 at Trends Sites, Ozone Only, 1992 - 2001 and All Sites 2001 (PDF) (2pp, 180k)
- Condensed Nonattainment Area List (PDF) (3pp, 96k)
- Latest Findings on National Air Quality: 2000 Status and Trends (PDF) (28pp, 2.7 MB)
- Air Quality Statistics by City (PDF) (6pp, 700k)
- Air Quality Statistics by County (PDF) (21pp, 2.4 MB)
- Number of Days with an Air Quality Index over 100 by City (PDF) (2pp, 20k)
- Number of Days with an Air Quality Index over 100 by City, Ozone Only (PDF) (2pp, 15k)
- Ozone Air Quality at National Parks (PDF) (1pg, 9k)
- Carbon Monoxide (1999-2000) and Ozone (1998-2000) Air Quality Update (PDF) (22pp, 70k)
- National Air Quality and Emissions Trends Report, 1999
- Latest Findings on National Air Quality: 1999 Status and Trends (PDF) (28pp, 2.8 MB)
- Carbon Monoxide (1998-1999) and Ozone (1997-1999) Air Quality Update (PDF) (21pp, 231k)
- National Air Quality and Emissions Trends Report, 1998
- National Air Pollutant Emission Trends, 1900-1998
- Carbon Monoxide (1997-1998) and Ozone (1996-1998) Air Quality Update (PDF) (14pp, 193k)
- National Air Quality and Emissions Trends Report, 1997
- Latest Findings on National Air Quality: 1997 Status and Trends (PDF) (25pp, 493k)
- National Air Quality and Emissions Trends Report, 1996
- Brochure on National Air Quality: Status and Trends
- Air Quality Trends – 1994 (PDF) (39pp, 571k)
- Previous Reports
- National Emission Inventory (NEI) website
- AirNow - Real-time air quality maps and forecasts
- AirData - On-line air quality data
- AirExplorer - A collection of user-friendly visualization tools for air quality analysts
- AirCompare - Provides local air quality information to help you make informed, health-protective decisions about moving or vacationing
- CASTNET - Data on dry acidic deposition and rural, ground-level ozone
- NADP
- The National Atmospheric Deposition Program - VIEWS - The Visibility Information Exchange Web System