Depending on your viewpoint, God is responsible for the farts in question, including their frequency, intensity, audibility and aroma. Therefore if forgiveness is to be sought or granted, God should be asking MY forgiveness for the thunderous pants-quivering farts He's forcing me to live with.
I'm an atheist, so no. Just my proctologist's forgiveness it can't be comfortable to be elbow deep in the fat version of groundskeeper Willie and feel the earth shake like that.