Solar Watch — September 10, 2026 | 18:00 UTC

☀ Helios Solar Watch · 2026-09-10 16:00 UTC
QUIET

The Sun remains in a quiet state with stable geomagnetic conditions and minimal flare activity. Planetary K-indices are holding at low levels, indicating a calm environment for Earth’s magnetosphere.

HMI Continuum Intensity

Visible light · 7 active regions

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 · 4 more below
Next 24 h

No significant changes are expected in the next 24 hours. Geomagnetic conditions should remain at quiet levels, with Kp values likely staying at or below 2.3 throughout the period.

🌌 Aurora

Aurora activity is currently restricted to high-latitude regions near the poles.

more

Mid-latitude observers should not expect any visible auroral displays under current conditions.

👁 Watch for

Watch for any sudden flux changes or rapid magnetic evolution in the sunspot regions currently rotating across the solar disk.

▸ Detailed readings

Radio blackout
 R0
(24 h max R0)
Radiation
 S0
(24 h max S0)
F10.7
 145.0
sfu

Region Location Class Flares C/M/X
AR4530 N19W21 Dso/B 0/0/0
AR4529 N12E10 Hax/A 0/0/0
AR4525 N11W10 Cro/B 0/0/0
AR4524 N12W27 Hsx/A 1/0/0
AR4527 N04W03 Hsx/A 0/0/0
AR4521 N09W67 Hsx/A 0/0/0
AR4528 S11E11 Hsx/A 0/0/0
NOAA messages
2026-09-10 13:06  Electron flux F3 reached (ALTEF3)
2026-09-09 21:01  Kp 30 possible (WATA30)
2026-09-08 17:51  Kp 5 (G1) reached (ALTK05)
2026-09-08 17:30  Kp 4 expected (WARK04)
2026-09-08 17:27  Kp 5 (G1) expected (WARK05)


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