What the night sky looks like over Niagara Falls, NY
Satellite radiance puts Niagara Falls in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Niagara Falls's sky is brighter than 67.8% of the 3,206 cities in this dataset.
The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.
How far Niagara Falls is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is North Tonawanda, NY, roughly 8 miles away in a straight line, rated suburban edge. Road distance will be more.
North Tonawanda, NY is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Niagara Falls against the rest of the dataset
About 47,512 people live in Niagara Falls, NY, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Niagara Falls ranks 2,163 from darkest to brightest, 1 being the darkest measured.