Quiet Hours: Generally, 10:00 PM to 7:00 AM for activities like construction and power tools. Amplified sound has extended hours for certain commercial or exempt activities.
Residential Decibel Limit: Not specified; subjective standard of 'clearly audible' or 'discernable by a person of average sensibility' applies. (Day) / Not specified; subjective standard of 'clearly audible' or 'discernable by a person of average sensibility' applies. (Night)
Summary: Champaign, IL noise ordinances prohibit activities creating clearly audible sound beyond property lines, including construction between 10 PM and 7 AM. Power tools and unamplified musical instruments are generally restricted between 10 PM and 7 AM. Specific fines apply for violations related to general noise, amplified sound, and vehicle equipment, with complaints handled by the Police Department.