8 Best Free Online Light Pollution Map Websites

Here is a list of best free online light pollution map websites. Light pollution is the primary concern for astronomers and stargazers as it distorts the light coming from distant stars and planets. To avoid places with high light pollution, users can use these online light pollution map websites.

These websites come with a world map highlighting all the areas where light concentration is high, medium, and low. To highlight high light concentration areas, these websites use red, white, and orange colors. On the other hand, medium and low light concentration areas are highlighted in yellow, blue, and black colors. Plus, all websites come with interactive world maps that allow users to interact, move, and zoom in on any area over the world map. Besides this, some websites also show information associated with a selected location like light intensity, city name, location coordinates, etc.

A handy Geolocation tool is also present in some websites through which users can view the light pollution around their surroundings. These websites also offer search tools to quickly find any location over the world map using the location name. After viewing and analyzing the world map, users can share them with other users. Go through the list to know more about these websites.

My Favorite Online Light Pollution Map Website:

lightpollutionmap.info is my favorite website as it can world map with light pollution layer. Plus, it also shows the light intensity values of a selected part of the world.

You can also check out lists of best free Online GPS Coordinate Converter, Online Data Visualization, and Online GLB Viewer websites.

lightpollutionmap.info

lightpollutionmap.info is a free online light pollution map website. Using this website, users can view the parts of the world with excessive and misdirected light. Usually, large cities and towns are major hotspots of light pollution. To highlight light pollution, these websites use various color profiles namely white & red (to highlight the areas with most light pollution), yellow & green colors (to highlight moderate light pollution areas), and shades of blue colors (to highlight the least light-polluted areas).

Apart from visually highlighting light pollution, these websites also show various statistics about different areas of the world. Now, check out the main features of this website.

Main Features:

• World Light Pollution Map: This website shows a world map with different color highlights to show areas with high, medium, and low light pollution. Plus, users can also zoom in on any part of the world to closely analyze an area with or without light pollution.
• Zenith sky brightness info: By clicking on a part of the world, users can view various Zenith sky brightness information like Brightness (mcd/m2), Bortle Class, SQM, Coordinates, etc.
• Statistics Per Country: Use it to view country-wise statistics of light pollution, country population, Rad/1K pop, and more.
• Geo Location: Use it to immediately find your position over the main map using geolocation to view the light pollution in your area.

Additional Features:

• Measure: Use it to measure the distance between two areas over the world map.
• Share: Through this tool, users can share the light pollution data on Twitter, Pinterest, Facebook, etc., social media platforms.

Final Thoughts:

It is one of the best free online light pollution map websites that highlights all the areas of the world with excessive, moderate, and low light pollution.

darksitefinder.com

darksitefinder.com is another free online light pollution map website. On this website, users can view various parts of the world with high, moderate, and low light pollution. It shows light pollution over the interactive world map that helps users view the light pollution of any part of the world. It also uses various color profiles to show the concentration of light pollution. Now, check out the main features of this website.

Main Features:

• Light Pollution Color Profiles: This website uses Red & Orange color profiles to show excessive light pollution, Yellow & Green color profiles to show moderate light pollution, and Dark Blue & Black colors to highlight low light pollution areas.
• Interactive World Map: This website offers an interactive world map that allows users to select and closely analyze any part of the world.
• Geolocation: Use it to locate your device’s position over the world map so that you can view the light pollution concentration in your area.
• Search: It is another handy tool through which users can locate any country or city by using its name.
• Map View: Through this tool, users can switch between Terrain, Street, Satellite, and Dark world map views.

Final Thoughts:

It is another good online light pollution map website that clearly highlights excessive and least light-polluted countries and cities of the world.

cleardarksky.com

cleardarksky.com is another free online light pollution map website. On this website, users can view the world light pollution map that shows all the excessive and low light polluted areas of the world. Plus, it comes with an interactive map that makes it easy for users to select and analyze any part of the world. Now, check out the main features of this website.

Main Features:

• Color Highlight Zones: This website divides the map into different color zones such as Red & Orange, Yellow, and Blue & Black. The Red & Orange colors show the most light-polluted places. The Yellow color shows the moderately light-polluted areas. The last Blue & Black colors show the least light-polluted areas.
• Intensity Bar: This website also offers an intensity bar that allows users to move between street view and light pollution map view.
• Interactive Map: As this website comes with an interactive world map, thus users can easily select and highlight any part of the world.

Final Thoughts:

It is a simple to use online light pollution map website that anyone can use to view areas with different light pollution levels.

djlorenz.github.io

djlorenz.github.io is another free online light pollution website. On this website, users can view a world with various colors highlighting high, medium, and low-light polluted areas of the world. Unlike other websites, it also lets users view the light pollution change between the years 2006, 2016, and 2020. In addition to that, it shows expected light pollution trends between the years 2014 and 2020. Now, check out the main features of this website. Now, check out the main features of this website.

Main Features:

• Light Pollution Map: This website shows the light pollution areas over the world map. To highlight the areas with more light pollution, it uses Brown & Yellow colors. On the other hand, to highlight moderate and less polluted areas, it uses green and blue colors respectively. For closer inspection, it also comes with zoom tools.
• Light Pollution Year: It is another handy tool that allows users to view the light pollution data of the years 2006, 2016, and 2020. Plus, predictions of light pollution for upcoming years are also shown on this website.
• Map Views: This website also allows users to use different world map services such as OpenStreetMap, Esri WorldImagery, Open TopoMap, and more.
• Interactive Maps: Users can interact with the world map and closely analyze any area over the world map to view light pollution intensity.

Final Thoughts:

It is another good online light pollution website that uses various world map services to show the intensity of light pollution in different parts of the world.

darkskymap.com

darkskymap.com is another free online light pollution website. It is simple light pollution highlighting website that shows all the hotspots of the world with high light pollution. Besides this, it also shows those areas of the world which emit the least amount of light. Now, check out the main features of this app.

Main Features:

• Light Pollution World Map: This website comes with a world map with added light pollution layer that highlights all the parts of the world with high light pollution with red & orange colors. Besides this, it also highlights moderately and least light-polluted areas of the world with yellow & green and blue colors, respectively.
• Search: Use this tool to find any country or city by using its name and view its light pollution intensity.
• Map Interaction: Users can easily interact with the world map and zoom in on any area for closer inspection.

Additional Features:

• This website also offers additional maps like the human footprint map, digital elevation map, weather engine, and more.

Final Thoughts:

It is one of the simplest online light pollution websites that anyone can use to view and analyze the light pollution levels of different parts of the world.

nightblight.cpre.org.uk

nightblight.cpre.org.uk is yet another free online light pollution website. This website is mainly designed to highlight the light pollution levels of England. Plus, it also uses various color codes to show the intensity of light in different parts of England. Apart from light pollution, it can also highlight national parks, districts, ceremonial counties, and more. Let’s take a look at the main features of this website.

Main Features:

• England Night Light Map: It is basically a light pollution map that only shows the light pollution of different parts of England. Plus, it also uses various color codes to show the intensity of light at different locations like Brown (brightest area), Orange (light intensity between 16- 32 nanowatts), Yellow (it shows areas with light intensity between 4 to 8 nanowatts), and more.
• Closer Inspection: To closely analyze a part of the light pollution map, users can use the zoom-in tool.
• Search: It is another handy tool through which users can search locations by using postcode, district name, and national character area.
• World Map Services: This website lets users manually switch between OpenStreet and World Imagery map services.

Limitation:

• This website can only highlight the light pollution of England.

Final Thoughts:

It is another capable yet simple to use online light pollution website that anyone can use to view light pollution levels of different parts of England.

cires.colorado.edu

cires.colorado.edu is the next free online light pollution map website. On this website, users can view a world map with light pollution hotspots. Besides this, it also shows various information about a selected part of the world. Now, check out the main features of this website.

Main Features:

• World Map with Light Pollution Layer: This website shows the world map that highlights highly, moderately and least light-polluted areas in different colors. Besides this, it also lets users interact with the world map and select any part of the map for closer inspection.
• Selected Area Information: When users select a city, location, etc., over the world map, it shows information related to it such as Unit Code, State name, Region name, GNIS ID, Metadata, etc.
• Search: Use it to locate any city, country, and region over the world map using its name.

Additional Features:

• This website offers various additional tools such as Areas of Research, Centers, Annual Reports, Research Groups, and more.

Final Thoughts:

It is another good online light pollution map website that offers all the essential tools to highlight the areas with the most, moderate, and least light pollution.

gostargazing.co.uk

gostargazing.co.uk is the last free online light pollution map website. This website is mainly designed to highlight the light pollution levels of England. Although, users can still use it to view the light pollution of any part of the world over the world map. Now, check out the main features.

Main Features:

• World Map with Light Pollution: Use the world map to view all the light pollution hotspots that users can view in red and yellow colors. Moderate and low-light polluted areas are highlighted in green and black colors.
• Light Map Intensity Slider: Use this slider to increase or decrease the light hotspot intensity over the map.
• Zoom: Use it to closely analyze any location over the world map.

Additional Features:

• This website offers various tools that help users find the locations which are best for night gazing and stargazing.

Final Thoughts:

It is another good online light pollution map website that anyone can use to view the light pollution hotspots along with areas that are best for stargazing.