☀ Helios Solar Watch · 2026-08-31 16:00 UTC
QUIET
Geomagnetic activity remains at quiet levels with a Kp-index of 2.0. While solar radio flux is elevated at 154 sfu, x-ray output is restricted to low-level C-class events.
Visible light · 4 active regions
Extreme UV · 304 Å
Kp Index
2.0
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 Kp levels oscillating between 1.67 and 2.0 over the next 24 hours. No significant solar energetic particle events or geomagnetic storms are anticipated during this period.
🌌 Aurora
Aurora activity is restricted to high latitudes.
more
Observers at mid-latitudes (40-60°N) should not expect to see significant auroral displays under these current conditions.
👁 Watch for
Monitor the magnetic evolution of AR4521 as it rotates into a more central position on the solar disk.
▸ 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
154.0
sfu
154.0
sfu
| Region | Location | Class | Flares C/M/X |
|---|---|---|---|
| AR4513 | N06W85 | Cro/B | 0/0/0 |
| AR4520 | S12W07 | Dro/B | 1/0/0 |
| AR4518 | N08W22 | Cro/B | 1/0/0 |
| AR4521 | N09E68 | Hax/A | 0/0/0 |
NOAA messages
2026-08-31 11:47 Electron flux F3 reached (ALTEF3)
2026-08-31 08:58 Kp 4 expected (WARK04)
2026-08-28 20:40 Kp 5 (G1) expected (WARK05)
2026-08-28 15:02 Kp 4 reached (ALTK04)
2026-08-26 16:36 Kp 30 possible (WATA30)
Helios Observer · Data: NOAA SWPC · updated every 12 h