Fontana, CA Noise Levels
Fontana, CA: what the federal noise map shows
Fontana, 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.
That figure is sampled at one coordinate, the Census Bureau's own internal point for Fontana, not a street-by-street survey of the whole place.
Where Fontana ranks
Fontana, CA sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. By population, it ranks 112 of the 12,137 places in this dataset, home to about 218,455 people.
Your street may differ from Fontana's reading
For a single house or lot in Fontana 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 Fontana's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Fontana.