Geomagnetic activity forecast in Yuzhno-Sakhalinsk
Yesterday
Tomorrow
Geomagnetic storm forecast in Yuzhno-Sakhalinsk in the next 24 hours
possible geomagnetic storm — level G1.7 (Kp = 5.67)
Geomagnetic storm forecast for 3 days
Geomagnetic index Kp forecast from May 16, 2026 to May 18, 2026 for mid latitudes
Location — Yuzhno-Sakhalinsk (geographic coordinates — 46.97 N 142.73 E | time zone UTC+11)

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Probability of geomagnetic storms for 3 days
Estimeted probability for Earth's magnetosphere state for 3 days.
Information is provided for mid latitudes for time zone UTC+00
16.05.2026
17.05.2026
18.05.2026
3-day forecast for Ap and F10.7 indices
Estimated values of Ap and F10.7 indices for 3 days for time zone UTC+00
| 16.05.2026 | 17.05.2026 | 18.05.2026 | |
|---|---|---|---|
| Ap | 20 | 20 | 15 |
| F10.7 | 105 | 135 | 135 |
Geomagnetic storm forecast for a month
Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days)
Information is provided for mid latitudes (time zone UTC+11)

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API data: JSON or TXT
