It’s not great, you have about 0.75mm difference between the highest and lowest point. However, there seems to be a nice relatively straight slope from one corner to the other. This means the bed is probably relatively flat, but not parallel to the x-axis. The good news it’s not full of asymmetric bumps etc.
Try to tram the x-axis to the bed to get both parallel and I think your results might already improve quite a lot. (Carriage Tolerances - Unusable Over Distance >75mm From Center - #33 by pta00066)