There are limit values that are adhered to and everything outside the restricted area is absolutely uncritical.
On the one hand, that is completely correct, on the other hand, limit values are based on the current state of research and studies.
In 1945, soldiers were still allowed to watch nuclear weapon tests; in the 60s, the sleeping pill Thalidomide was initially considered harmless even for pregnant women. They simply did not know better. Blood pressure values that were considered completely normal in the 50s would put any general practitioner into a panic today, and so on.
And in the end, compliance with a limit value does not yet mean that it is harmless for everyone. Limit values are always a compromise between economic efficiency and risk.
The best example is my prohibition sign P007. I am allowed to enter such areas because I am healthy; for me, the limit value is okay. Someone with a pacemaker may not enter this area; for them, the limit value would be far too high. There are different limit values for children than for adults, different limit values for pregnant women than for men. There are different limit values for industrial areas than for residential areas, and so on.
If you do not feel comfortable with that, you have to find another place. Because for our society to function, limit values are necessary, since not every risk can be reduced to zero.