Export Radon Test Data
Residential Radon test data are available at county level for download in comma-separated values (CSV) format. Text files explaining the data fields and values are also available.
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Data Include
Radon test data:
- Five year rolling average of mean test value by county during selected 5-year period
- Five year rolling average of maximum test value by county during selected 5-year period
- Average percent of homes tested by county during selected 5-year period/Number of housing units in county during selected 5-year period
- Five year rolling average of percent of tests with values <2pCi/L by county during the selected 5-year period
- Five year rolling average of percent of tests with values 2-<4 pCi/L by county during the selected 5-year period
- Five year rolling average of percent of tests with values >=4 pCi/L by county during the selected 5-year period
- Five year rolling average of percent of tests performed on the first floor of the building by county during the selected 5-year period
- Five year rolling average of percent of tests performed in the basement of the building by county during the selected 5-year period
- Five year rolling average of percent of tests performed on other floors of the building by county during the selected 5-year period
- Five year rolling average of total number of tests performed by county during selected 5-year period
