Aurora Forecasting for iPhone & iPad
AuroraPulse
Real-time aurora forecasting powered by NOAA space weather data. Know exactly when and where to look up.
Aurora probability at a glance
AuroraPulse calculates your exact aurora visibility based on your geomagnetic latitude, current Kp index, and local cloud cover. One screen tells you everything you need to know.
- Location-aware probability ring with real-time percentage
- Solar wind speed, Bz component, and cloud cover at a glance
- Smart situation summary explaining what the data means for you
- 3-day forecast preview with next aurora viewing windows
- Auto-refreshes every 5 minutes from NOAA SWPC
See the auroral oval in real time
The OVATION aurora model plots hundreds of probability points on a satellite imagery map, showing exactly where the aurora is active right now. Community sightings appear as live pins.
- NOAA OVATION model with color-coded probability overlay
- Community sighting pins from aurora watchers worldwide
- Quick zoom to auroral zone or your location
- Satellite imagery base map
Plan ahead, share what you see
A 3-day Kp forecast chart shows when aurora might reach your latitude. Report sightings with intensity ratings and photos to help fellow aurora chasers know where to look.
- 3-day Kp index chart with your personal visibility threshold
- Best viewing windows highlighted automatically
- Community sighting feed — nearby or global
- Report sightings with 5-level intensity scale and photos
- Upvote/downvote to verify sighting authenticity
Widgets, Watch, Siri, and Live Activities
AuroraPulse is built for every iOS surface. Check the Kp index on your lock screen, get Dynamic Island alerts during aurora events, and ask Siri for tonight's forecast.
- Home screen and lock screen widgets
- Live Activities with Dynamic Island during aurora events
- Siri Shortcuts: "What's the aurora forecast?"
- Evening forecast notifications at 7pm local with tonight's best window
- Location-aware storm impact: "+X% chance" badges on every G-scale alert
Powered by science
All space weather data comes from NOAA's Space Weather Prediction Center (public domain). Cloud cover data from Open-Meteo. Community sightings stored securely in Apple CloudKit. No tracking, no ads, no accounts required.