From 1975 to 2023, according to the Federal Aviation Administration the number of U.S. residents exposed to significant1 levels of aircraft noise fell 94 percent, while enplanements rose 365 percent. From 2000 to 2023, noise exposures were reduced by 55 percent while enplanements rose 33 percent.
1. 65 dB day-night average sound level (DNL) is the federally defined threshold level at which aircraft noise begins to interfere with everyday activities; reflects all U.S. operations.