The word "in salubrious" means unhealthy or unwholesome. So, its antonyms would include words like healthy, beneficial, wholesome, and nourishing. If something is "in salubrious", it can be detrimental to one's health, resulting in illnesses and diseases. Therefore, it's necessary to avoid such unhealthy practices and adopt healthy habits like exercising regularly, eating balanced meals, getting enough sleep, and reducing stress. It's important to prioritize our health and wellbeing as it affects our overall quality of life. Therefore, we must strive to make healthy choices and live in a salubrious environment for a happy and fulfilling life.