McHenry, IL Noise Levels
McHenry, IL: what the federal noise map shows
At McHenry, IL, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. Treat this as McHenry's one representative point, not a promise about every block in it, BTS's map wasn't built to resolve individual streets.
Where McHenry ranks
McHenry is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. By population, it ranks 1,393 of the 12,137 places in this dataset, home to about 28,825 people.
Your street may differ from McHenry's reading
For a single house or lot in McHenry 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 McHenry's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at McHenry.