Explaining what is RADON and how a home owner can measure, assess and mitigate by putting in a RADON fan system in a cost efficient DIY fashion.
Take a look at the video, it may help identifying your house RADON scenario. No more asthma, coughing, wheezing or lung cancers.

Recommended Parts:
Radon Meter: Regular or smart meter below
https://amzn.to/3sDrJt2
https://amzn.to/35T0tgp

Radon Fan complete kit: 3 inch or 4 inch option
https://amzn.to/2KqVITy

Radon Lid for Sump: https://amzn.to/35SidII
Drill bit set for concrete: https://amzn.to/3qBeozg

Termination Mesh for PVC Pipe 3 or 4 inch
https://amzn.to/3VGqsQQ