Measure of Radon

Radon is measured in becquerels per cubic meter of air (Bq/m³).

Health Canada recommends that corrective measures be taken when the average annual radon concentration exceeds 200 Bq/m³ in occupied spaces of a home. However, it is up to each owner to determine if a rate less than 200 Bq/m³ is an acceptable level of risk to their health and family.


To reliably measure the radon concentration in a building or to determine if the installation of a mitigation system is required, it is first necessary to install a long-term measuring device, 90 days minimum.


Although it is possible for you to install the measuring device yourself, it is strongly recommended that you hire a professional certified by the National Radon Proficiency Program in Canada (PNCR-C), like us.


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Radon in Figures

A silent, dangerous, and fatal threat present everywhere in Quebec

Patient avec cancer


1st cause of lung cancer among non-smokers

Health Canada


16 % of lung cancer deaths are caused by radon gas

Association pulmonaire du Québec
Quitting smoking


Breathing 370 Bq/m³ is the equivalent of smoking a pack of cigarettes per day

Tuyau avec radon


Radon measure above which radon becomes a danger in your home

Health Canada


In Quebec, near 20% of homes have a high radon concentration requiring an intervention

Association pulmonaires du Québec, TVA nouvelles

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