Introduction
	Air Quality in the Mid-Atlantic Region
	About this Atlas
	About MARAMA
	Acknowledgments

Air Pollution in the Mid-Atlantic Region
	Ozone Effects on Health and the Environment
	Ozone Nonattainment Areas
	Formation and Transport of Ozone

Factors Influencing Air Pollution
	Forested and Agricultural Lands
	Population Density in the Mid-Atlantic Region
	Growth in Travel and Population

Sources of Air Pollution Emissions
	Regional Patterns of Nitrogen Oxides Emissions
	Regional Emissions of Volatile Organic Compounds

Measurement of Ozone in the Air
	Regional Ozone Monitors
	Number of Days Exceeding the Ozone Standard
	Ozone and Temperature
	Trends in Hourly Ozone Concentrations

Enhanced Monitoring in Major Metropolitan Areas
	Photochemical Assessment Monitoring Stations
	Measurement of Specific Volatile Organic Compounds
	Most Prevalent Volatile Organic Compounds

Related Patterns of Air Pollution
	Ozone and Particulate Matter

Air Quality Improvement
	Ozone Levels in 1988 and 1995
	Areas that Have Met the Ozone Standard
	Areas that Have Met Air Quality Standards and Been Redesignated as Attainment

Appendices
	Appendix A: Population Statistics, 1970-2005
	Appendix B: Emissions Inventories Estimated for the Mid-Atlantic Region, 1990
	Appendix C: Ozone Monitoring Stations
	Appendix D: Background Data for 6-9 a.m. DST Fingerprint Averages
	Appendix E: Data Summaries for the PAMS Stations Operating in Washington, Baltimore, and Philadelphia 1993- 1995

Maps
	Ozone Nonattainment Areas
	Air Movement and Transport During the 1995 Ozone Episodes
	Percent Forested Area by County
	Percent Agricultural Area by Count
	County-Level Population Density
	Location of the Largest Utility and Industrial Sources of NO_x
	County-Level Anthropogenic VOC Emission Density for a Typical Summer Day
	County-Level VOC Biogenic Emissions Density for a Typical Summer Day
	Ozone Monitoring Sites Operated During 1995
	Measured Ozone on July 6, 1988 at 1400 EST
	Measured Ozone on July 7, 1988 at 1400 EST
	Measured Ozone on July 14, 1995 at 1600 EST
	Measured Ozone on July 15, 1995 at 1600 EST

Charts
	Population of Mid-Atlantic States
	Population of Mid-Atlantic Metro Areas
	Mid-Atlantic Nitrogen Oxide Emissions
	1990 Mid-Atlantic VOC Emissions
	Ratio of Ozone Violations to 90 Degree Days in the Mid- Atlantic Region
	Ratio of Ozone Violations to 90 Degree Days in the Baltimore Nonattainment Area
	Ratio of Ozone Violations to 90 Degree Days in the Philadelphia Nonattainment Area
	Ratio of Ozone Violations to 90 Degree Days in the Greater New York Nonattainment Area
	Ratio of Ozone Violations to 90 Degree Days in the Washington D.C. Nonattainment Area
	Mid-Atlantic Ozone Trends
	Delaware Ozone Trends
	Washington D.C. Ozone Trends
	Maryland Ozone Trends
	New Jersey Ozone Trends
	North Carolina Ozone Trends
	Pennsylvania Ozone Trends
	Virginia Ozone Trends
	West Virginia Ozone Trends
	Fraction of TNMHC Accounted For by Targeted and Non- Targeted Compounds at Selected MARAMA PAMS Sites During 1995 Summer Morning Hours
	1995 Summer Morning (6-9 am) Average Concentrations for PAMS Targeted VOC Species at Lums Pond, DE
	1995 Summer Morning (6-9 am) Average Concentrations for PAMS Targeted VOC Species at McMillan Reservoir, DC
	1995 Summer Morning (6-9 am) Average Concentrations for PAMS Targeted VOC Species at Clifton Park, MD
	1995 Summer Morning (6-9 am) Average Concentrations for PAMS Targeted VOC Species at Rider University, NJ
	1995 Summer Morning (6-9 am) Average Concentrations for PAMS Targeted VOC Species at Philadelphia City Lab, PA
	1995 Summer Morning (6-9 am) Average Concentrations for PAMS Targeted VOC Species at Corbin, VA
	Maximum Daily Ozone and PM10, Aldino Airport - Harford County, Maryland, July, 1995
	Hourly Ozone and PM₁₀, Aldino Airport - Harford County, Maryland, July 15, 1995
	Maximum Daily Ozone and PM_2.5 Ozone at Harrison Township and PM_2.5 at Liberty Bono, July 1995 in Allegheny Coun ty
	Hourly Ozone, NOx and PM_2.5 Ozone and NOx at Lawrenceville and PM_2.5 at Liberty Bono, July 13, 1995 in Alleghe ny County

Tables
	State Transportation Statistics
	Number of Days Above the Ozone Standard in the Mid- Atlantic Region, 1986 to 1995
	Photochemical Assessment Monitoring Stations
	Areas that Have Met Air Quality Standards and Been Redesigned as Attainment
	Population Statistics, 1970-1995, MARAMA States and Major Metropolitan Areas
	Emission Inventories Estimates for the Mid-Atlantic Region, 1990
	Surface Air Quality Monitoring Sites
	Background Data for "6-9 am DST Fingerprint Averages"

Table of Contents

E-mail MARAMA
711 W. 40th Street, Suite 318
Baltimore, MD 21211-2109
Phone: 410-467-0170
Fax: 410-467-1737

Main

Last revised: 11/17/98

Table of Contents

E-mail MARAMA 711 W. 40th Street, Suite 318 Baltimore, MD 21211-2109 Phone: 410-467-0170 Fax: 410-467-1737

Main Last revised: 11/17/98

E-mail MARAMA
711 W. 40th Street, Suite 318
Baltimore, MD 21211-2109
Phone: 410-467-0170
Fax: 410-467-1737

Main

Last revised: 11/17/98