☀ Helios Solar Watch · 2026-09-11 16:01 UTC
QUIET
Solar activity remains at low levels with no significant geomagnetic disturbance. The solar disk is stable, and space weather metrics remain well within normal operating parameters.
Visible light · 7 active regions
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
Geomagnetic conditions are expected to remain quiet, with the Kp-index peaking near 3.0 before returning to lower values by early tomorrow. No significant solar radiation storms or radio blackouts are anticipated.
🌌 Aurora
Aurora visibility is not expected for mid-latitudes.
more
High-latitude observers may see faint, stable auroral activity, but no significant displays are forecast for the next 24 hours.
👁 Watch for
Monitor the evolution of active region AR4530, as it is the most complex region currently on the disk, despite its lack of recent flaring.
▸ 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
138.0
sfu
138.0
sfu
| Region | Location | Class | Flares C/M/X |
|---|---|---|---|
| AR4524 | N12W41 | Hsx/A | 0/0/0 |
| AR4529 | N12W04 | Hax/A | 0/0/0 |
| AR4525 | N11W24 | Cro/B | 0/0/0 |
| AR4528 | S11W03 | Hsx/A | 0/0/0 |
| AR4527 | N04W18 | Hsx/A | 0/0/0 |
| AR4521 | N09W81 | Hsx/A | 0/0/0 |
| AR4530 | N19W35 | Dao/B | 0/0/0 |
NOAA messages
2026-09-11 05:01 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