The current difficulty is 574.1 PH. The next difficulty is estimated at 576.4 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 88,658. The current block reward is 185,557.4 mSCP. Based on this and on the current difficulty, miners are being paid 313.5053 mSCP/PH, which corresponds to about 27.09 mSCP/day per GH/s.