Aerial Insect and Disease Survey GIS Data for Oregon and Washington 1947-Present

Aerial survey data (ADS) for 1947-present are available in shapefile format.  The polygon shapefiles are projected in Albers, NAD 83 - see data dictionary for projection parameters. Select a zip file (below) to download the insect and disease observations in Oregon and Washington for a particular year.

See the data dictionary for a description of the data.

 Each year's aerial survey data is available for download as a compressed (zip) shapefile archive. 

1947 1948 1949 1950 1951
1952 1953 1954 1955 1956
1957 1958 1959 1960 1961
1962 1963 1964 1965 1966
1967 1968 1969 1970 1971
1972 1973 1974 1975 1976
1977 1978 1979 1980 1981
1982 1983 1984 1985 1986
1987 1988 1989 1990 1991
1992 1993 1994 1995 1996
1997 1998 1999 2000 2001
2002 2003 2004 2005 2006
2007 2008 2009 2010 2011
2012 2013 2014 2015 2016
2017 2018 2019 2020 2021
2022 2023 1947-2022    

 About Aerial Detection Surveys 

 Mike_SketchmapThese data are based on cooperative aerial surveys conducted by Forest Health staffs of the Oregon Department of Forestry, Washington Department of Natural Resources, and the USDA Forest Service Pacific Northwest Region.

You can also download the aerial survey maps (2003-present) containing these data, view recent flightline maps, or explore Forest Health Protection mapping and reporting tools.

Learn more about current  aerial surveys. For a historical perspective, view a 1955 manual (a 6.8 MB pdf file). Aerial survey observations and other data have been summarized in annual Forest Health Highlights,  Forest Insect and Disease Conditions, and other related reports.

Other products and data include the Forest Health Technology Enterprise Team (FHTET) National Insect and Disease Risk Map and the Swiss Needle Cast Aerial Survey (1996-present) available from the Oregon Department of Forestry.