KGGI is a commercial radio station in Riverside, California, broadcasting to the Riverside-San Bernardino, California area on 99.1 FM. The station airs a Rhythmic Top 40 music format owned by Clear Channel Communications. The signal of the station can be heard in areas adjacent to the Inland Empire region; sensitive radio tuners such as car radios in cities as far west as Santa Monica, down south to San Diego and has reached towards Palm Springs.