Solar Watch — September 15, 2026 | 06:00 UTC

☀ Helios Solar Watch · 2026-09-15 04:00 UTC
QUIET

Current geomagnetic conditions are settled at Kp 3.0 following a minor period of fluctuations. Solar activity remains low, with minimal flare production despite the presence of seven active regions.

HMI Continuum Intensity

Visible light · 1 active region

SUVI 304 — Extreme UV

Extreme UV · 304 Å

Kp Index
3.0
5 or above = storm

Geomagnetic
G0
24 h max: G1

X-Ray
A/B
quiet


⚠ Kp 4 reached · 4 more below
Next 24 h

Geomagnetic conditions are expected to remain unsettled through the next 24 hours, with Kp values peaking briefly around 3.67 before subsiding.

more

No significant geomagnetic storms are anticipated, and solar flare activity is expected to remain limited to minor C-class events.

🌌 Aurora

Aurora activity is currently restricted to high latitudes.

more

Observers at mid-latitudes (40-60°N) should not expect visible auroral displays, as current geomagnetic intensity is insufficient to push the auroral oval toward lower latitudes.

👁 Watch for

Monitor AR4529 as it continues its transit across the solar disk for any sudden changes in magnetic complexity that could increase the current 15% probability of M-class flares.

▸ Detailed readings

Radio blackout
 R0
(24 h max R0)
Radiation
 S0
(24 h max S0)
F10.7
 109.0
sfu

Region Location Class Flares C/M/X
AR4529 N12W59 Bxo/B 0/0/0
NOAA messages
2026-09-14 18:02  Kp 4 reached (ALTK04)
2026-09-14 16:54  Kp 4 expected (WARK04)
2026-09-14 15:47  Kp 20 possible (WATA20)
2026-09-14 11:03  Electron flux F3 reached (ALTEF3)
2026-09-09 21:01  Kp 30 possible (WATA30)


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