Solar Sphere app for iPhone and iPad

4.6 ( 1616 ratings )

Utilities Productivity
Developer: Fleur Hong Kong

Free

Current version: 1.2, last update: 7 years ago
First release : 27 May 2015
App size: 2.55 Mb

The Solar Sphere provides current value of Kp-index derived from the NOAA Space Weather Prediction Center using data from multiple ground-based magnetometers.

Also, current solar images are available in 4 different high resolution formats.

The Kp-index quantifies solar disturbances in the horizontal component of earths magnetic field with an integer in the range 0-9 with 1 being calm and 5 or more indicating a geomagnetic storm.

For drone flyers, please only fly on solar KP Index less than 5.