No person within the limits of the city shall make, continue, or cause to be made or continued any loud, unnecessary, or unusual noise which unreasonably annoys, disturbs, injures, or endangers the comfort, convenience, safety, health, welfare, or repose of persons in the vicinity thereof, unless the making, continuing, or causing of the noise to be made or continued cannot be prevented, and is necessary for the protection or preservation of property or of the health, safety, life, or limb of some person.
(‘83 Code, § 92.30) Penalty, see § 92.99