The current difficulty is 8,391 PH. The next difficulty is estimated at 8,357 PH, a change of −0.40%. The difficulty changes globally every time a new block is mined, based on how fast blocks are being found.
Hash Price Report
The last block was at height 331,061. The current block reward is 30,000 SC. Based on this and on the current difficulty, miners are being paid 3.4681 SC/PH, which corresponds to about 0.30 SC/day per GH/s.