you should test it out with the OCCT www.ocbase.com/perestroika_en/
anyway...in my q6600 (g0) i get 28ºc to 31cº in cores temp idle...and 48ºc to 53ºc in 100% use. Those values in a 2 hour test. I have a ocz ventetta2 cooler, with ocz freeze extreme compound, all wrapped in a coolermaster cosmos case.
So i guess your temperatures are not bad
just worry if you get near 70ºc