☀ Helios Solar Watch · 2026-10-23 16:00 UTC
QUIET
The Sun remains in a state of quiet activity with no significant geomagnetic storms expected. Current indices indicate a stable environment for satellite operators and power grid management.
Visible light · 2 active regions
Extreme UV · 304 Å
Kp Index
2.7
5 or above = storm
Geomagnetic
G0
24 h max: G0
X-Ray
A/B
quiet
⚠ Electron flux F3 reached · 4 more below
Next 24 h
Geomagnetic conditions are expected to remain quiet, with the K-index forecast to stay below 3.0 throughout the next 24 hours. No significant solar radiation or radio blackout events are anticipated.
🌌 Aurora
Aurora activity is currently restricted to high latitudes.
more
Observers at mid-latitudes should not expect visible auroral displays under these conditions.
👁 Watch for
Monitor the evolution of Active Region 4560 as it rotates across the solar disk, as any sudden increase in magnetic complexity could shift flare probabilities.
▸ 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
107.0
sfu
107.0
sfu
| Region | Location | Class | Flares C/M/X |
|---|---|---|---|
| AR4557 | N07W82 | Cao/B | 2/0/0 |
| AR4560 | N13W58 | Eai/BG | 2/0/0 |
NOAA messages
2026-10-23 11:47 Electron flux F3 reached (ALTEF3)
2026-10-22 20:21 Kp 4 expected (WARK04)
2026-10-22 00:03 Kp 5 (G1) reached (ALTK05)
2026-10-21 22:28 Kp 5 (G1) expected (WARK05)
2026-10-21 21:30 Kp 4 reached (ALTK04)
Helios Observer · Data: NOAA SWPC · updated every 12 h