District of Columbia dark-sky map — light pollution by town
District of Columbia has 30 towns rated for light pollution here, from its darkest — Colorado Triangle (Bortle 7) — to its brightest city cores, with 0 rating as genuinely dark or rural sky (Bortle 4 or better). Every town is listed with the nearest measurably darker town to drive to. No site in the state holds an International Dark Sky Place certification, so its darkest skies are the rural towns at the top of the table. Ratings are a VIIRS satellite proxy, not survey-grade sky-brightness readings.
- Towns rated
- 30
- Darkest town
- Colorado Triangle
- Genuinely dark towns
- 0
- Certified dark-sky places
- 0
0 rate as genuinely dark or rural sky (about Bortle 4 or better).
Nearest certified dark-sky places to District of Columbia
No site in District of Columbia holds an International Dark Sky Place certification. Measured from Colorado Triangle, the state's darkest rated town, these are the nearest certified destinations — all 92 are on the map.
| Place | Designation | State | From Colorado Triangle |
|---|---|---|---|
| James River State Park | Dark Sky Park | Virginia | 135 mi |
| Staunton River State Park | Dark Sky Park | North Carolina | 180 mi |
| Cherry Springs State Park | Dark Sky Park | Pennsylvania | 190 mi |
All District of Columbia towns by darkness
Darkest sky first, each with the nearest measurably darker town to drive to. Sort or filter below.
| Sky | Nearest darker sky | |||
|---|---|---|---|---|
| Colorado Triangle | 7 | Suburban / urban transition | 34 | Kemp Mill, MD — B6, 6 mi |
| Hillcrest | 7 | Suburban / urban transition | 40 | Oxon Hill-Glassmanor, MD — B6, 5 mi |
| Kennedy Street | 8 | City sky | 40 | Colorado Triangle — B7, 1 mi |
| Van Ness | 8 | City sky | 40 | Colorado Triangle — B7, 2 mi |
| Central 14th Street / WMATA Northern Bus Barn | 8 | City sky | 43 | Colorado Triangle — B7, 1 mi |
| Mount Pleasant | 8 | City sky | 45 | Colorado Triangle — B7, 2 mi |
| Brightwood | 8 | City sky | 45 | Colorado Triangle — B7, 1 mi |
| Benning Road | 8 | City sky | 49 | Hillcrest — B7, 2 mi |
| Petworth | 8 | City sky | 56 | Colorado Triangle — B7, 1 mi |
| Foggy Bottom | 8 | City sky | 57 | Colorado Triangle — B7, 4 mi |
| Central 14th Street / Spring Road | 8 | City sky | 60 | Colorado Triangle — B7, 1 mi |
| Anacostia | 8 | City sky | 61 | Hillcrest — B7, 1 mi |
| The Wharf | 8 | City sky | 68 | Hillcrest — B7, 4 mi |
| Park View | 8 | City sky | 73 | Colorado Triangle — B7, 2 mi |
| Pleasant Plains | 8 | City sky | 75 | Colorado Triangle — B7, 2 mi |
| Adams Morgan | 8 | City sky | 77 | Colorado Triangle — B7, 2 mi |
| H Street NE | 8 | City sky | 89 | Hillcrest — B7, 3 mi |
| Columbia Heights | 8 | City sky | 93 | Colorado Triangle — B7, 2 mi |
| Brentwood Village | 9 | Inner-city sky | 103 | H Street NE — B8, 2 mi |
| Washington | 9 | Inner-city sky | 103 | The Wharf — B8, 1 mi |
| Southwest Waterfront | 9 | Inner-city sky | 105 | The Wharf — B8, 0 mi |
| Barracks Row | 9 | Inner-city sky | 112 | Anacostia — B8, 1 mi |
| Union Market | 9 | Inner-city sky | 127 | H Street NE — B8, 1 mi |
| Capitol Riverfront | 9 | Inner-city sky | 141 | The Wharf — B8, 1 mi |
| Shaw | 9 | Inner-city sky | 143 | Columbia Heights — B8, 1 mi |
| Golden Triangle | 9 | Inner-city sky | 152 | Foggy Bottom — B8, 1 mi |
| NoMa | 9 | Inner-city sky | 162 | H Street NE — B8, 1 mi |
| Northwest One | 9 | Inner-city sky | 198 | H Street NE — B8, 1 mi |
| Mount Vernon Triangle | 9 | Inner-city sky | 200 | H Street NE — B8, 1 mi |
| Downtown DC | 9 | Inner-city sky | 202 | The Wharf — B8, 1 mi |
Frequently asked questions
- Where are the darkest skies in District of Columbia?
- The darkest town tracked here is Colorado Triangle. Sort the table on this page by darkness to see the full ranking, from the most rural, star-filled skies down to the brightest city cores.
- How many dark-sky towns does District of Columbia have?
- Of 30 towns rated here, 0 rate as genuinely dark or rural sky (about Bortle 4 or better) — good for seeing the Milky Way on a clear, moonless night.
- How are these light-pollution ratings measured?
- From VIIRS 2024 annual-average satellite night-lights, sampled at each town's center and mapped to a darkness class and an estimated Bortle band. It is a satellite upward-radiance proxy for planning, not a survey-grade sky-brightness reading. See the methodology page for details.
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