Light Pollution Map Mn. ClearDarkSky Light Pollution Map Light pollution limits the visibility of milky way to the unaided eye, the visiblity of nebulae and galaxies seen in telescopes, and raises the noise on CCD astrophotographs. Minnesota has a lot of natural resources, lots of wildlife, but there is a problem: Global light pollution increases 2 percent each year, and we just have a little bit of dark sky left," Shaw says
Reference Falchi, F., et al. (2016) The new world atlas of artificial from citieswithnature.org
Colors correspond approximately to the Bortle scale. Here, you can find some of the clearest dark skies, perfect for looking up and getting lost in the stars.
Reference Falchi, F., et al. (2016) The new world atlas of artificial
Colors correspond approximately to the Bortle scale. It was long overdue, but this map has now been updated with more recent light pollution information On the left is a 2023 satellite image of MN showing light pollution from the NOAA National Geophysical Data Center
ClearDarkSky Light Pollution Map. It was long overdue, but this map has now been updated with more recent light pollution information It can be downloaded as a CSV file that can be opened in any spreadsheet application
ClearDarkSky Light Pollution Map. Here, you can find some of the clearest dark skies, perfect for looking up and getting lost in the stars. Choices: Add Light Pollution map: Intensity: 0% 100% | Show All Charts | Show detailed list: Colors indicate light pollution ratings