(1 rem = 1,000 mrem; 1 Sv = 1,000 mSv; 1 Sv = 100 rem). The “average” American receives about 620 mrem (6.2 mSv) per year from all sources of radiation.
The Red Forest 0.1-10.0 mSv/hour
Chernobyl Power Plant 0.0012 mSv/hour
Pripyat 0.0003-0.0009 mSv/hour
And though many parts of the zone are...