Mystery ‘hum’ baffles people in Horsham

A mystery humming sound - heard mostly at night - is puzzling people in Horsham.
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Many have reported hearing the low level noise in the Guildford Road area, north Horsham and Broadbridge Heath.

The sound has led to speculation on social media about what it is and where it’s coming from with some suggesting it’s noise from night railworks, kilns at Warnham brickworks or pumps from sewage works off the A24.

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The noise is described as a ‘constant hum, like construction work from far away.’

People in Horsham have reported hearing a mystery hum at nightPeople in Horsham have reported hearing a mystery hum at night
People in Horsham have reported hearing a mystery hum at night

Many people have expressed relief that they are not the only ones hearing the strange noise.

Nationally, up to four per cent of people are said to hear an odd low-pitched sound known as a ‘global hum’ but no source has ever been found.

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