Who is it for?
For people following space weather, auroras and conditions relevant to radio, GPS/GNSS, drones and field work. One dashboard brings together current indicators, history and forecasts.
Solar Flare Alert
Keep an eye on solar activity.
iOS, iPadOS
Follow solar activity, the Kp index and space-weather conditions. Get alerts for important events and review the data in clear charts.
Check the current access options on the App Store.
What is Solar Flare Alert for?
From alerts to data
Follow M- and X-class flares, geomagnetic storms and official NOAA notices. Check Kp, X-ray flux, solar wind speed, IMF and Bz. Charts from the last 24 hours help show how conditions are changing.
CME Watch and quick checks
Explore NOAA SWPC CCOR-2 coronagraph images in White Light and Running Difference views. Zoom in and check capture times. Home and Lock Screen widgets, Apple Watch and Live Activities provide quick access without opening the full dashboard.
Key features
- Kp index and solar activity
- Solar flare alerts
- Space-weather charts
A tool for following space-weather data. It does not guarantee event predictions or prevention of their effects.
Explore the app
Access and support
Check the current access options on the App Store.
Find version details, requirements, privacy information and developer support on the official app listing.
App questions
Where does the data come from?
The app uses NOAA SWPC and NASA sources. CME Watch imagery comes from NOAA SWPC CCOR-2. Availability of current data depends on the source feed.
Is every visible CME heading towards Earth?
No. Material expanding around the Sun does not automatically mean an Earth-directed event. Read imagery alongside official notices and forecasts.
Which platforms does it support?
iOS, iPadOS.
What access options are available?
Check the current access options on the App Store.
Where can I find requirements and privacy information?
Check the official Apple listing and the app privacy policy in the Access and support section.
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