Montgomery Field has a formal noise monitoring program but no mandatory procedures. Daytime noise levels are 88 dB from 0630 to 2330 local and night time noise limits are 70 dB from 2230 to 0630 local. Note: the tower opens at 0600 before the daytime noise level become effective at 0630.
Noise sensitive areas surround the airport, especially the Royal Highlands neighborhood that is directly underneath the centerline of runway 28L, as well as Sierra Mesa to the south of the airport, and Tierrasanta underneath the extended downwind for runway 28R as well as the straight-in approach for runway 28R