Losing ten pounds in a month is an ambitious weight loss goal, and whether it is healthy or not depends on various factors such as your current weight, body composition, and overall health. 
In general, a safe and healthy rate of weight loss is considered to be around 1-2 pounds per week. Losing weight too quickly, especially through extreme caloric restriction or excessive exercise, can lead to muscle loss, nutrient deficiencies, and other health complications.
If you are significantly overweight or obese, it may be possible to lose ten pounds in a month while still maintaining a healthy rate of weight loss. However, if you are already at a healthy weight or only have a small amount of weight to lose, trying to lose ten pounds in a month may not be safe or sustainable in the long term.
It is always a good idea to consult with a healthcare professional before starting any weight loss program to determine what rate of weight loss is appropriate for you based on your individual health needs and goals. Additionally, it's important to focus on making sustainable lifestyle changes rather than quick fixes to achieve long-term weight management success.