How dark is the sky in Pasadena, CA?

Pasadena reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 77.6% of the 3,206 US cities in this dataset.

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.

Where to go for a darker sky near Pasadena

3 miles from Pasadena, straight-line, sits San Marino, CA, the nearest city here with a darker sky than Pasadena's own suburban band.

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

Pasadena against the rest of the dataset

About 137,195 people live in Pasadena, CA, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Pasadena ranks 2,473 from darkest to brightest, 1 being the darkest measured.