In short, not as bad as Europe vis-a-vis regular mass murders. But Jews, despite being less segregated from society, were still bottom class citizens, treated worse and given less rights than the lowliest Muslim, and subject to horrible publicly-sanctioned violence.
Here is a longer answer with primary and contemporary sources.
Part 1, discussing the experience of Jews in the Arab and Muslim world: https://www.reddit.com/r/AskHistorians/comments/5rg61e/how_prevalent_was_antisemitism_in_the_muslim/?st=J1ZKGVOX&sh=f1c5e367
Part 2, discussing the experience of Jews in the land of Israel/Palestine: https://www.reddit.com/r/AskHistorians/comments/5rg61e/how_prevalent_was_antisemitism_in_the_muslim/?st=J1ZKWFFK&sh=60f02675