Estimated percentage of homes above the Reference Levels
Here you can see a map showing the areas predicted to be at particular risk from radon, called High Radon Areas. A High Radon Area is any area where it is predicted that 10 per cent or more of homes will exceed the Reference Level of 200 bequerel per cubic metre (Bq/m3). Any area that is coloured light or dark brown on the map is a High Radon Area.
Please note: A high radon level can be found in any home in any part of the country, but these homes are more likely to be located in High Radon Areas. Find out more about the Radon Map.
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