Free Light Pollution Map

While the full BortleBuddy™ app is in development, our interactive light pollution map is live and free for everyone. Find dark sky locations anywhere on Earth using real Bortle scale

Worldwide Coverage

Bortle ratings for any location on Earth

Real-Time Sky Quality

SQM, Bortle class, Milky Way visibility, and star count

Search Any Address

Find the nearest dark sky from your home in seconds

Open the Light Pollution Map →

✓ Works in any browser · ✓ No login required · ✓ Always free

Our Mission

Stargazing for all

Know before you go. Plan your night sky from your phone.

Protecting dark skies. Making stargazing possible for everyone.

What It Does

Four reasons you'll never
miss the shot

Find Dark Skies

Discover the darkest skies anywhere in the world, rated and ranked automatically. Our AI scans light pollution data globally to find the nearest pristine dark sky site to any location.

Perfect Timing

Weather, moon phase, and Milky Way position — analysed in real time. Know the exact window when conditions align for that perfect shot.

AI-Powered Verdicts

One clear answer — EXCELLENT, OKAY, or SKIP — so you never waste a trip. Our AI weighs dozens of variables to give you a single, trustworthy verdict.

Never Miss the Shot

Alerts for celestial events, meteor showers, and rare dark-sky windows. Get notified when something extraordinary is about to happen in your sky.

BortleBuddy^™