The real time particulate matter sensor is mounted on a tripod and sits atop the air quality shelter.
This monitor makes continuous direct mass measurements of particulates that are 2.5 microns in size using a tapered element oscillating microbalance (TEOM). Park staff work with the Virginia Department of Environmental Quality to collect this data 24 hours a day.
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Mary O'Neill
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Shenandoah National Park, Code: SHEN
Shenandoah National Park, Virginia Latitude: 38.3517684936523, Longitude: -78.5008163452148