Maximum Kp index on September 20, 2025
Kp = 2
Maximum Kp index on September 20, 2025
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in Ulyanovsk on September 20, 2025
Time zone — UTC+04 (Ulyanovsk | 54.32 N 48.37 E)
Geomagnetic storms in Ulyanovsk in September 2025
Time zone — UTC+04 (Ulyanovsk | 54.32 N 48.37 E)
Geomagnetic activity indices on September 20, 2025
| Geomagnetic index Ap | 5 |
|---|---|
| Solar radio flux F10.7 | 166 |