Monstera Leaf Gone Yellow. If the soil is soggy and damp overwatering is probably the problem. Monstera leaves turning yellow is a common sign that one of these elements is out of balance be it overwatering underwatering prolonged or insufficient exposure to light sources lack of nutritional supplements in the soil base or shock caused from repotting or propagation.
Relative humidity between 50-60 is best suited for most of the houseplants. If your Monstera has black spots check out this guide. At the same time rotted roots should be removed and the rest sprinkled with charcoal.
If the soil is soggy and damp overwatering is probably the problem.
If the edges of the leaves are getting yellow or brown new growth turning yellow under watering is the main culprit. The most common reason for Monstera leaves turning yellow. Black splotches with a yellow ring or halo indicate that your Monstera has a fungus. Why Are My Monstera Adansonii Leaves Dying.