National Air Quality and Emissions Trends Report, 1997
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
Please see www.epa.gov/airtrends for the latest information on Air Quality Trends.
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![1997 Air Quality Trends Report Cover](gifs/rthumb.jpg) |
- Cover and Table of Contents (PDF) (14 pp, 55 KB)
- Chapter 1 - Executive Summary (PDF) (6 pp, 62 KB)
- Chapter 2 - Criteria Pollutants - National Trends (PDF) (48 pp, 2.1 MB)
- Chapter 3 - Criteria Pollutants - Metropolitan Area Trends (PDF) (10 pp, 338 KB)
- Chapter 4 - Criteria Pollutants - Nonattainment Areas (PDF) (4 pp, 161 KB)
- Chapter 5 - Air Toxics (PDF) (18 pp, 112 KB)
- Chapter 6 - Visibility Trends (PDF) (14 pp, 1.6 MB)
- Chapter 7 - Acid Deposition (PDF) (8 pp, 594 KB)
- Appendix A - Data Tables (PDF) (70 pp, 301 KB)
- Appendix B - Methodology (PDF) (6 pp, 393 KB)
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