Dark Sky Self-Check

How dark-sky friendly is your outdoor lighting?

Answer eight quick questions about the lights around your home, venue or community. Get a score, your top three fixes, and see how many stars your sky could hold.

Take the Quiz

Ready when you are0 of 8

Is Your Lighting Dark-Sky Friendly?

There are no wrong answers, and "Not sure" is always fine. Your answers stay in your browser until you choose to send them.

Keep Going

More ways to bring the stars back

Dark-Sky-Friendly Lighting

Fixture and bulb tips, a color temperature guide and a checklist for tonight.

Read the guide →

Light Pollution Simulator

Slide, switch and shield the lights of a mountain valley and watch the sky respond.

Open the simulator →

Dark Sky Consulting

Light pollution education and consulting with astronomer Stephan Martin.

About consulting →