SQM Installations in Missouri

A program to measure sky brightness in Missouri.

One-Year Loaner Installation Site:


City of Perryville
Trish Erzfeld, Perry County Heritage Tourism
  • Organization:  City of Perryville
  • Site Manager:  Trish Erzfeld, Perry County Heritage Tourism
  • Website: www.cityofperryville.com
  • Missouri County: Perry County
  • Approved Date: October 1, 2019
  • Installation Date:  October 24, 2019
  • SQM Location: 
    • Perry County Heritage Tourism Offices, October 18, 2020 - Current
    • City Park, October 1, 2019 - October 18, 2020
  • IDA Missouri Zone: Zone 3
  • Status:  Active

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GRAPH OF RESULTS (NOTE:  Click on image to view animation)


Our Mission

The mission of DarkSky Missouri is to raise awareness about light pollution issues in Missouri, promote quality outdoor lighting, protect our natural environment and our beautiful night sky, and educate the public how reducing light pollution can lower energy costs.