Solar Watch — October 28, 2026 | 18:00 UTC

☀ Helios Solar Watch · 2026-10-28 17:00 UTC
QUIET

Solar activity is currently stable and quiet, with the planetary K-index hovering near nominal background levels. There are no significant geomagnetic threats to satellite operations or power grids at this time.

HMI Continuum Intensity

Visible light · 1 active region

SUVI 304 — Extreme UV

Extreme UV · 304 Å

Kp Index
0.7
5 or above = storm

Geomagnetic
G0
24 h max: G0

X-Ray
A/B
quiet


⚠ Kp 20 possible · 3 more below
Next 24 h

Geomagnetic activity is expected to remain quiet over the next 24 hours, with Kp indices forecasted to stay below 2.0. No significant eruptive events are anticipated given the current low solar flare probabilities.

🌌 Aurora

Aurora visibility is restricted to high-latitude polar regions; no sightings are expected at mid-latitudes.

more

Observers in far northern Canada or Scandinavia may see faint, stable auroral glows, but activity is currently too low for dynamic displays.

👁 Watch for

Monitor AR4562 for any signs of magnetic complexity development or sudden flux growth, which would be the primary indicator of an uptick in flare potential.

▸ Detailed readings

Radio blackout
 R0
(24 h max R0)
Radiation
 S0
(24 h max S0)
F10.7
 96.0
sfu

Region Location Class Flares C/M/X
AR4562 S17E20 Axx/A 0/0/0
NOAA messages
2026-10-28 16:38  Kp 20 possible (WATA20)
2026-10-28 09:23  Electron flux F3 reached (ALTEF3)
2026-10-23 19:55  Kp 4 reached (ALTK04)
2026-10-23 19:27  Kp 4 expected (WARK04)


Helios Observer · Data: NOAA SWPC · updated every 12 h