Maximum Kp index on April 21, 2025
Kp = 5+
Maximum Kp index on April 21, 2025
A geomagnetic storm was recorded — level G1
Kp = 5+
Geomagnetic storms in Seattle on April 21, 2025
Time zone — UTC−07 — summer time (Seattle | 47.62 N 122.35 W)
Geomagnetic storms in Seattle in April 2025
Time zone — UTC−07 — summer time (Seattle | 47.62 N 122.35 W)
Geomagnetic activity indices on April 21, 2025
| Geomagnetic index Ap | 35 |
|---|---|
| Solar radio flux F10.7 | 163 |