Your Indoor Air's Dirty Secret Is Under Your Feet
Briefly

"Particulate matter such as PM 2.5 can enter the lungs and bloodstream, exacerbating health issues like heart attacks, respiratory problems, and hypertension."
"Resuspension occurs when dust and particulate matter in carpets and upholstery are kicked up into the air, significantly affecting air quality each time we move."
Read at WIRED
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