Maximum Kp index on February 18, 2026
Kp = 3+
Maximum Kp index on February 18, 2026
The Earth's magnetosphere was quiet
Kp = 3+
Geomagnetic storms in Cheyenne on February 18, 2026
Time zone — UTC−07 (Cheyenne | 41.15 N 104.8 W)
Geomagnetic storms in Cheyenne in February 2026
Time zone — UTC−07 (Cheyenne | 41.15 N 104.8 W)
Geomagnetic activity indices on February 18, 2026
| Geomagnetic index Ap | 10 |
|---|---|
| Solar radio flux F10.7 | 119 |