☀ Helios Solar Watch · 2026-10-15 04:00 UTC
QUIET
Solar activity remains at low levels with the F10.7 flux steady at 109 sfu. No significant geomagnetic storms are currently active or anticipated.
Visible light · 8 active regions
Extreme UV · 304 Å
Kp Index
2.0
5 or above = storm
Geomagnetic
G0
24 h max: G0
X-Ray
A/B
quiet
⚠ Kp 4 expected · 4 more below
Next 24 h
Conditions are expected to remain quiet throughout the next 24 hours. A brief period of unsettled geomagnetic activity with a Kp of 3.0 may occur early in the window, but levels are expected to settle back to quiet states by midday.
🌌 Aurora
Aurora visibility is restricted to high-latitude regions.
more
There is no expectation for mid-latitude auroral displays given the current and forecasted Kp levels.
👁 Watch for
Monitor the development of AR4551, as it is the most active region on the disk and currently accounts for all observed C-class flare activity.
▸ Detailed readings
Radio blackout
R0
(24 h max R0)
R0
(24 h max R0)
Radiation
S0
(24 h max S0)
S0
(24 h max S0)
F10.7
109.0
sfu
109.0
sfu
| Region | Location | Class | Flares C/M/X |
|---|---|---|---|
| AR4558 | S08W34 | Axx/A | 0/0/0 |
| AR4555 | S07W43 | Bxo/B | 0/0/0 |
| AR4548 | S13W79 | Hsx/A | 0/0/0 |
| AR4554 | N07E33 | Axx/A | 0/0/0 |
| AR4556 | N03E45 | Bxo/B | 0/0/0 |
| AR4551 | S15E07 | Eki/BGD | 7/0/0 |
| AR4557 | N07E43 | Cro/B | 0/0/0 |
| AR4553 | N06E20 | Axx/A | 0/0/0 |
NOAA messages
2026-10-13 20:58 Kp 4 expected (WARK04)
2026-10-11 19:11 Kp 20 possible (WATA20)
2026-10-11 17:02 Kp 30 possible (WATA30)
2026-10-10 21:45 Kp 5 (G1) reached (ALTK05)
2026-10-10 19:27 Kp 7 (G3) reached (ALTK07)
Helios Observer · Data: NOAA SWPC · updated every 12 h