Map from the paper showing the spatial distributions of predicted radon concentrations at screening floor in winter. L. Li, B.A. Coull, C.L. Zilli Vieira, P. Koutrakis, High-resolution national ...

Airthings, the company behind digital sensors that detect radon gas, has built a global map based on frequently updated data pulled from its distributed network of devices installed in customers ...

A new map showing which areas of the state have the highest levels of radon testing shows the areas with the highest levels of this cancer-causing gas sometimes have the lowest testing levels ...

The bad: A map developed by the Department of Health shows how 40 percent of the state’s homes have dangerous levels of radon. In McLeod County, the rate is even higher, between 54 and 67 ...