Maximum Kp index on April 21, 2013
Kp = 2
Maximum Kp index on April 21, 2013
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms on April 21, 2013
Time zone — UTC+00
Geomagnetic storms in April 2013
Time zone — UTC+00
Geomagnetic activity indices on April 21, 2013
| Geomagnetic index Ap | 3 |
|---|---|
| Solar radio flux F10.7 | 109 |