Rio Grande City, TX's night sky, measured from orbit

Satellite radiance puts Rio Grande City in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 56% of the 3,206 cities measured here read darker than Rio Grande City.

Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.

How far Rio Grande City is from a meaningfully darker sky

12 miles from Rio Grande City, straight-line, sits Roma, TX, the nearest city here with a darker sky than Rio Grande City's own suburban band.

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

How Rio Grande City compares nationally

Rio Grande City, TX has a population of about 15,526, one of 3,206 US cities of 10,000 or more residents in this dataset. Rio Grande City places 1,785 of 3,206 cities in this dataset's darkest-to-brightest order.