Alrighty.

LND installed on Lunar Lander Chang'E 4 hanging o. The moon right now measured average radiation dose on lunar surface as 1369 uSv/day which gives us around 500 mSv/yr or 0,5 Sv/yr

Source for above:

https://www.science.org/doi/full/10.1126/sciadv.aaz1334

Which in fact is the same as:

'(2) The annual limits to the lens of the eye, to the skin of the whole body, and to the skin of the extremities, which are:

(ii) A shallow-dose equivalent of 50 rem (0.5 Sv) to the skin of the whole body or to the skin of any extremity.'

Defined by US Nuclear Regulatory Comission.

Source:

https://www.nrc.gov/reading-rm/doc-collections/cfr/part020/part020-1201.html

There are also researches about dose that Apollo missions participants received during whole 12 days of the mission but you do not believe in their existence so there's no point bringing them here.

You guys have ban on Google or just too lazy to verify simple facts?