Northglenn, CO Night Sky Brightness
How dark is the sky in Northglenn, CO?
Northglenn's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Only 98.5% of the 3,206 cities measured here read darker than Northglenn.
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, covered fully in the Bortle scale guide.
Where to go for a darker sky near Northglenn
The closest place in this dataset with a meaningfully darker sky is Thornton, CO, roughly 2 miles away in a straight line, rated suburban. Road distance will be more.
Thornton, CO is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Northglenn against the rest of the dataset
About 38,287 people live in Northglenn, CO, sized enough to appear in this dataset of 3,206 incorporated US cities. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Northglenn comes in at 3,139, darkest to brightest.