Fort Worth, TX: how dark is the sky here?
Fort Worth reads as urban on this dataset's scale. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Fort Worth's sky is brighter than 95.4% of the 3,206 cities in this dataset.
This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.
How far Fort Worth is from a meaningfully darker sky
Haltom City, TX, about 5 miles away as the crow flies, measures in the suburban band, one step darker than Fort Worth. Actual driving distance will run longer than that straight-line figure.
Haltom City, 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 Fort Worth compares nationally
Fort Worth, TX has a population of about 1,008,106, one of 3,206 US cities of 10,000 or more residents in this dataset. Fort Worth places 3,040 of 3,206 cities in this dataset's darkest-to-brightest order.