Radon Concentration Statistics for the State of Ohio

The following statistics have been calculated for radon measurements in all zip code areas and counties. Click on any statistical parameter in the table below to get information on how it is computed.

 

  Median Arithmetic Mean
Geometric Mean   First Quartile
  Third Quartile   Maximum
Minimum Standard Deviation

 


In computing these statistics, every radon measurement in a county or zip code area was used without regard for building, room or detector type, or season.

To view radon statistics in counties of Ohio, Click Here.

To view a table depicting distribution of radon concentrations within and among counties, Click Here.

To view a color-coded map of Ohio showing geometric mean radon concentrations in the counties, Click Here.

To view radon statistics in the zip codes of Ohio, Click Here.

To view a color-coded map of Ohio showing geometric mean concentrations in zip code areas, Click Here.

To view the radon geometric mean variation map within the zip code areas of Ohio, Click Here.

For information on how the radon data was collected and how the statistical parameters were computed, Click Here. 

For information on the aerial radiometric map of Ohio showing the concentrations of uranium in surfacial sediments and soils, Click Here. 


Tip: For comparing radon concentrations in various geographical areas, the geometric mean is the most appropriate value. In addition, note that the maximum concentration is greater than 4 pCi/l in most areas, thus confirming the need to test all homes and schools


 
 

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