As of today, peak season now, through ~July 15. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Noctilucent clouds, also called polar mesospheric clouds (PMCs), are icy clouds that form near the mesopause at about 80-85 km altitude.
In northern Germany they are a seasonal summer twilight phenomenon.
They are visible only during nautical/astronomical twilight when the Sun is well below the horizon but still illuminates the high mesosphere.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| Westerhever Leuchtturm - visitor parking (Am Ahndelweg) |
| Hörnum Odde (Sylt) - south tip viewpoint / Odde parking |
| + 2 more spots, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.