Solar Watch — October 30, 2026 | 18:00 UTC

☀ Helios Solar Watch · 2026-10-30 17:00 UTC
QUIET

Solar conditions are currently quiet, but a significant increase in geomagnetic activity is forecast for the next 24 hours. A transition to G1 (minor) storm levels is expected by early tomorrow.

HMI Continuum Intensity

Visible light · 1 active region

SUVI 304 — Extreme UV

Extreme UV · 304 Å

Kp Index
2.3
5 or above = storm

Geomagnetic
G0
24 h max: G0

X-Ray
A/B
quiet


⚠ Electron flux F3 reached · 3 more below
Next 24 h

Geomagnetic activity will rise steadily throughout the evening, reaching a Kp of 5.0 (G1) by 00:00 UTC on October 31. No significant solar radiation storms or radio blackouts are anticipated as solar flare probabilities remain low.

🌌 Aurora

Visibility for mid-latitude observers is unlikely tonight but may improve significantly by early tomorrow as G1 levels are reached.

more

Observers in high-latitude regions, such as northern Canada and Scandinavia, should watch for potential auroral displays starting late tonight.

👁 Watch for

Monitor the actual Kp-index progression toward the 00:00 UTC transition to confirm the onset of the G1 storm conditions.

▸ 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
AR4564 N04E58 Bxo/B 0/0/0
NOAA messages
2026-10-30 14:59  Electron flux F3 reached (ALTEF3)
2026-10-29 19:10  Kp 20 possible (WATA20)
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