National Park Service

Mid-Atlantic Network (MIDN)

Parks in this Network

MIDN Network Map
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Air Quality Monitoring

Old Rag Mountain at Shenandoah National Park Old Rag Mountain at Shenandoah National Park

Air Quality Resource Briefs

Air Quality Inventory Reports

NPS Air Resources Information Page for MIDN

NPS Air Resources Information Page for Shenandoah NP

Air Quality Annual Data Summary Reports

Shenandoah Air Quality Webpage

Sampling Protocols

NPS Air Resources Program Pages
(NPS-wide sampling locations, data, etc.)

For more information contact:
Jim Comiskey or Jalyn Cummings

Justification

Air quality can affect human and ecosystem health. The Clean Air Act of 1970 set out to preserve, protect and enhance air quality in the country, and in 1977 amended the act to include all NPS units greater than 6,000 acres as Class I areas receiving the greatest level of protection. Only Shenandoah National Park in the Mid-Atlantic Network is a Class I park, but all parks in the network will benefit from improved air quality.

Park managers will benefit from knowing the type and extent of various air pollutants in order to evaluate their impacts on park resources. The NPS Air Resources Division (ARD) administers an Air Monitoring Program that provides current air quality conditions and assesses long-term trends in pollutants that affect national park resources. The data comes from a variety of sources including monitoring stations in parks and a number of interagency programs.

Monitoring Objectives

  1. Document the annual status of and trends in atmospheric ozone concentrations in MIDN parks using metrics that are relevant to human health (e.g., 8-hour average) and plant response (e.g., SUM06).
  2. Document the annual status of and trends in wet and dry deposition in MIDN parks.
  3. Report on the annual status of and trends in mercury concentration and deposition in precipitation in MIDN parks.
  4. Report on the annual status of and trends in fine particulate matter (PM2.5) and coarse particulate matter (PM10) concentrations and composition in MIDN parks as they pertain to visibility impairment and human health.

Network Park Units Monitored

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Last Updated: December 30, 2016 Contact Webmaster