Slidell, LA's night sky, measured from orbit
Slidell's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 60.4% of the 3,206 US cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.
The nearest darker sky to Slidell
Picayune, MS, about 18 miles away as the crow flies, measures in the suburban edge band, one step darker than Slidell. Actual driving distance will run longer than that straight-line figure.
Picayune, MS is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Slidell compares nationally
Slidell, LA has a population of about 28,440, one of 3,206 US cities of 10,000 or more residents in this dataset. Slidell places 1,925 of 3,206 cities in this dataset's darkest-to-brightest order.