Monrovia, CA Noise Levels
Monrovia, CA: what the federal noise map shows
Monrovia, CA is one of the places where the federal model has nothing to report above its 45 dB(A) floor, on any of the three sources.
Monrovia's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where Monrovia ranks
Monrovia is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. About 37,787 people live there, making it the 1,102th largest place in this dataset.
Your street may differ from Monrovia's reading
For a single house or lot in Monrovia rather than the town-wide figure above, BTS's own map is the same free source, queried directly.
More on how this number was built
For exactly which federal dataset feeds Monrovia's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Monrovia.