Chicago, IL and Palos Hills · 2018-11-27 · from the WORLDHUMMAP archive
A low hum in Chicago, IL and Palos Hills
A low humming noise. I can't hear it when any other noises are present, only in the silence. It is only audible indoors: in a car, in my garage, in my house. I've heard it at home most frequently and only starting this year. It disappeared during the summer months and came back in October. Last night, I visited a friend who lives near the woods 25 miles outside of the city. I heard it there, in my car, and in his house. I thought it was a generator because it seems to cut out slightly with the slightest movement. The tone generator was hard to use here, but it seems to be something between 80 -100 hz. I'll try it again at another time on better speakers.
What they reported
First noticed: 2018
Loudest: Equal night and day
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Insomnia, Sense of vibration, Anxiety
Changes with weather: i didn't hear it when it was warm. It's only been during the colder months this year.
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This is a Hum report from Dr Glen MacPherson's World Hum Map, an open, worldwide record of people who hear an unexplained low-frequency hum. Reproduced with permission and with thanks; the project is at thehum.info. We remove anything on request. Location shown is approximate.
Anomaly