Aerial Detection Surveys (ADS)

What's New

Every year since 1947, aerial detection surveys (ADS) have recorded the insects and diseases affecting forests in Oregon and Washington. These annual surveys are cooperative efforts by the Forest Health staffs of the Washington Department of Natural ResourcesOregon Department of Forestry, and the USDA Forest Service Forest Health Protection staff.


  • Data Viewer

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    View the most current Aerial Detection Survey Data on an interactive Geospatial mapping interface.

  • Data Download

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    Download Aerial Detection Survey Data (1947-present).

  • Quad Maps

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    View or Download ADS Quad Maps (2003-present).

  • Methodology

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    Learn about the different ways we monitor the health of all the forests in the Pacific Northwest.

  • Forest Health Dashboard

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    Interact with this dashboard to learn more about forest health concerns across the Pacific Northwest.

Maps available at the links above can be by downloaded for viewing/printing or may be used with the Avenza PDF Maps Mobile App. This application is a geospatial reader for Apple and Android mobile devices and allows for interaction with spatially referenced maps to view your location, record GPS tracks, add placemarks, and find places.  (Note:  To export georeferenced .pdf maps from the Cumulative Tree Mortality and Data Viewer, select the Tools tab in the dialogue box, then select the 'MAP_ONLY' option under the 'Print' dropdown menu.  When the export is complete, click the 'Printout' link to open the exported map in your browser.)

Summary reports: Aerial survey observations and other data have been summarized in Forest Health HighlightsForest Insect and Disease Conditions, and other related reports.

Contact Us

If you have any questions or comments regarding these maps or the information they provide, we would like to hear from you:

Danny DePinte - Aerial Detection Survey Program Manager, Forest Service Regional Office

Justin Hof - Washington State Aerial Survey Coordinator, Forest Service Regional Office

Tim Bryant - Oregon State Aerial Survey Coordinator, Forest Service Regional Office

Phil Chi - Data Manager, Forest Service Regional Office

Karen RipleyForest Entomologist and Forest Health Monitoring Coordinator, Forest Service Regional Office


You may also contact your local Forest Health Protection (FHP) Service Center for more information. There are five service centers in Oregon and Washington providing assistance to federal resource managers. These offices are located in: Wenatchee, Washington; Bend, Baker City, La Grande, Medford, and Sandy, Oregon.