National Hairball Awareness Day is observed on the last Friday of April each year, focusing on the health and well-being of cats, particularly concerning the common issue of hairballs. While occasional hairballs are normal for cats, excessive occurrences can indicate underlying health problems. The day encourages pet owners to engage in activities that promote cat health, such as hosting a cat spa day, creating DIY cat toys, or organizing educational gatherings to share tips on hairball prevention. Additionally, it emphasizes the importance of regular grooming, dietary considerations, and hydration to help manage hairball formation. The day serves as a reminder for pet owners to pay closer attention to their cats' grooming habits and overall health. It was founded by Dr. Blake Hawley to raise awareness about this quirky yet significant aspect of feline care.