Maximum Kp index on September 30, 2025
Kp = 6
Maximum Kp index on September 30, 2025
A geomagnetic storm was recorded — level G2
Kp = 6
Geomagnetic storms in Cheyenne on September 30, 2025
Time zone — UTC−06 — summer time (Cheyenne | 41.15 N 104.8 W)
Geomagnetic storms in Cheyenne in September 2025
Time zone — UTC−06 — summer time (Cheyenne | 41.15 N 104.8 W)
Geomagnetic activity indices on September 30, 2025
| Geomagnetic index Ap | 15 |
|---|---|
| Solar radio flux F10.7 | 187 |
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