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Air Trends

The Particle Pollution Report: Current Understanding of Air Quality and Emissions through 2003

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The 2003 PM Report Cover
  • Looking at Trends (PDF) (7 pp, 1.4 MB)
    • PM10 National and Regional Trends
    • PM2.5 National and Regional Trends
    • 25-Year PM2.5 Trends
    • Rural Sulfate Trends
  • Explaining the Trends (PDF) (5 pp, 1.4 MB)
    • PM2.5 Trends in Three Regions (1999-2003)
    • Effect of Meteorology
    • The PM2.5 Remainder
    • Control Program
  • The Future (PDF) (2 pp, 857 KB)
    • Upcoming PM2.5 Designations
    • PM2.5 and Other Pollutants

Additional Technical Information (powerpoint) (42 pp, 4.8 MB)

Additional Technical Information (PDF) (42 pp, 3.6 MB)


Related Links | Acronyms | Hardcopies

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