Arlington Heights, IL: how dark is the sky here?

Arlington Heights reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Arlington Heights's sky is brighter than 48.2% 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 Arlington Heights is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Prospect Heights, IL, roughly 3 miles away in a straight line, rated suburban edge. Road distance will be more.

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

How Arlington Heights compares nationally

Arlington Heights, IL counts roughly 75,596 residents, among the 3,206 US cities this site tracks. Arlington Heights places 1,537 of 3,206 cities in this dataset's darkest-to-brightest order.