What genre is Nirvana?

Nirvana is an American rock band that formed in Aberdeen, Washington, in 1987. The band's musical style is often referred to as grunge, which emerged in the late 1980s and early 1990s, primarily in Seattle, Washington. Grunge is characterized by a raw, distorted guitar sound, heavy drumming, and often introspective lyrics. Nirvana is considered one of the pioneers of the grunge movement, along with bands like Soundgarden, Pearl Jam, and Alice in Chains.