The current difficulty is 1,839 PH. The next difficulty is estimated at 1,844 PH, a change of +0.29%. 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 207,770. The current block reward is 92,229 SC. Based on this and on the current difficulty, miners are being paid 48.6546 SC/PH, which corresponds to about 4.20 SC/day per GH/s.