Dec 12, 2025 · NASA's nighttime lights imagery has a wide range of uses, including tracking urban growth, assessing electrification, monitoring disasters, and studying the biological …

The Night Earth map is an interactive visualization designed to explore how artificial lighting shapes our planet after sunset, and to understand the impact of light pollution.

Aug 25, 2024 · 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.

A map showing the domain of the 6 continent-scale maps is below. There are two versions of each map: one with borders and coastlines and the other with nothing except light pollution.

All of that data is available to download in a variety of formats, and also can be explored in our interactive map. Links to previous years’ data is available below.

Interactive world light pollution map. The map uses NASA Black marble VIIRS, World Atlas 2015, Aurora prediction, observatories, clouds and SQM/SQC overlay contributed by users.

Jul 8, 2025 · The most recent and accurate light pollution map online. Compare locations for imaging, simulate light pollution skyglows, and calculate imaging and integration speeds.

Dec 14, 2025 · Explore the most accurate 2025 light pollution map web app. Check Bortle Scale and SQM data, and discover dark-sky, Milky Way, and aurora spots near you.

Apr 29, 2025 · Click on interactive map that shows all the locations that the National Park Service has collected data from 2002 to the present. There are popup windows with five of the most …

Help map Earth's lights from space and combat light pollution. This application is designed to help georeference images taken by astronauts aboard the International Space Station (ISS). The …