How dark is the sky in Happy Valley, OR?

Happy Valley reads as suburban edge on this dataset's scale. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Happy Valley's sky is brighter than 24.2% of the 3,206 cities in this dataset.

Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute.

The nearest darker sky to Happy Valley

9 miles from Happy Valley, straight-line, sits Lake Oswego, OR, the nearest city here with a darker sky than Happy Valley's own suburban edge band.

Lake Oswego, OR is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

Happy Valley against the rest of the dataset

Happy Valley, OR has a population of about 28,969, one of 3,206 US cities of 10,000 or more residents in this dataset. Among all 3,206 cities here, Happy Valley ranks 773 from darkest to brightest, 1 being the darkest measured.