How do the indicators used by a city or metropolitan region differ from the global indicators1/19/2024 ![]() The three air-quality measures include 1) total number of days with fine particulate matter (PM 2.5) levels greater than the U.S. To assess environmental factors that affect health, CDC analyzed three air-quality measures from the tracking network for all counties in the contiguous United States during 2008–2012 and one water-quality measure for 26 states during 2010–2015. The National Environmental Public Health Tracking Network (i.e., the tracking network) collects data provided by national, state, and local partners and includes 21 health outcomes, exposures, and environmental hazards. Reporting Period: 2008–2012 for air quality and 2010–2015 for water quality.ĭescription of System: Since 2002, CDC’s National Environmental Public Health Tracking Program has collaborated with federal, state, and local partners to gather standardized environmental data by creating national data standards, collecting available data, and disseminating data to be used in developing public health actions. A paucity of national standardized environmental data has hindered efforts to characterize differences in the physical aspects of urban and rural areas, such as air and water quality. Efforts to characterize urban and rural differences have largely focused on social and demographic characteristics. ![]() ![]() Understanding the differences in risk factors in various environments can help to explain differences in the occurrence of these outcomes and can be used to develop public health programs, interventions, and policies. Problem/Condition: The places in which persons live, work, and play can contribute to the development of adverse health outcomes.
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