The Ozone Report - Measuring Progress through 2003
"The Ozone Report: Measuring Progress through 2003", lays the
groundwork for the planning and analysis needed to track progress toward attaining the nation's
more protective 8-hour ozone standard and reporting the results to the public.
Ozone levels across the nation were down substantially in 2003. The improved air quality resulted from
favorable weather conditions and continuing reductions in emissions of nitrogen oxides (NOx) and
volatile organic compounds (VOCs) - the pollutants that combine in the summer heat to form ozone.
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| Cover and Table of
Contents (PDF,
4 pp, 274 KB) |
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Download the entire report
in PDF format. (PDF,
24 pp, 3.7 MB)
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| Introduction (PDF,
2 pp, 453 KB) |
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| A
Look at 2003 (PDF, 7 pp, 1.1 MB) |
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| Measuring
Progress (PDF) |
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| A
Closer Look (PDF, 6 pp, 185 KB) |
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| Ozone
by EPA Region (PDF) |
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| Meteorological
Adjustment (PDF) |
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| Emissions
Trends by EPA Region (PDF) |
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| A
New Look at Patterns in Ozone Trends (PDF) |
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| National
Parks and Other Federal Lands (PDF) |
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| Looking
Toward the Future (PDF, 1 pp, 91 KB) |
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| Summary (PDF,
3 pp, 162 KB) |
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