Night light pollution changes in North America over the last 25 years

U S Light Pollution Map. Light pollution Contiguous United States r/MapPorn Click on Interactive web map that displays distribution of noise and light pollution to National Parks and mammal ranges across the contiguous USA The naturally dark area is shrinking too as Earth's artificially lit outdoor area grew by 2.2% per year [1].

University of Michigan and National Park Service Click on interactive map that shows all the locations that the National Park Service has collected data from 2002 to the present. The eastern part of the US has the highest level of light pollution, DC is the most light-polluted area of the US, with higher than 200,000 times the US darkest spot's artificial brightness, the city of Yakutat in Alaska.

Cities with the most light pollution Business Insider

Low light pollution conditions, or dark skies, is one of the most important properties of a good astronmical observing site has the most light pollution (as evidenced by a lot of yellow on the map), with similar high amounts of light pollution along the coast of. Satellite data show that from 2012 to 2016, continuously lit areas brightened at a rate of 2.2% per year [1]

Night light pollution changes in North America over the last 25 years. Comprehensive list of dark-sky sites (including DarkSky-sanctioned locations) in the U.S Click on Interactive web map that displays distribution of noise and light pollution to National Parks and mammal ranges across the contiguous USA

The way this US light pollution map cuts down right in the middle is. The years 2006, 2016, 2020, and 2022 can all be selected on the map The naturally dark area is shrinking too as Earth's artificially lit outdoor area grew by 2.2% per year [1].