Data page


	Data
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	Sources

	Weather and air pollution data for selected metropolitan areas in the United States are available here. The data are from public sources. Air pollution data from the AirData database maintained by the U.S. Environmental Protection Agency. Weather data is from the National Climatic Data Center. Census data from the United States Census Bureau.
	Data

	Data from selected U.S. cities between the years 1987 and 2000 are available as compressed text files. Frequently asked questions about the NMMAPS data Download data (including metadata) Documentation City-specific descriptive statistics How the pollution data were put together

Copyright 2004-2005, Department of Biostatistics, Johns Hopkins Bloomberg School Of Public Health.
Last updated: 2005-03-19