"On Air" refers to the state of broadcasting live audio or video content to an audience. This term is commonly used in radio and television, indicating that a program is currently being transmitted. When a show is "on air," it means that listeners or viewers can tune in and experience the content in real-time. In the context of radio, "On Air" often involves DJs or hosts engaging with their audience through music, news, or discussions. In television, it can include live events, news broadcasts, or reality shows. Both mediums rely on the concept of being "on air" to connect with their audience instantly.