A 3-day Kp forecast straight from NOAA space-weather data, so you know when the aurora could reach your sky.
Free preview APK · Android · Coming to Google Play
The planetary K-index outlook at a glance.
See what Kp level puts the lights over your head.
Sourced from the Space Weather Prediction Center.
Yes — free to download and use, supported by ads. An optional Pro upgrade removes all ads.
It needs a connection to refresh live data (NOAA Space Weather Prediction Center), but it never asks for an account.
Android today (free APK above, Google Play soon). iOS is on the roadmap.
No. No sign-up, no profile — your data stays on your device. See the privacy policy.