☀ Helios Solar Watch · 2026-08-17 04:00 UTC
QUIET
The Sun remains in a quiet state with no significant eruptive activity over the last 24 hours. Geomagnetic conditions are currently stable, though a slight uptick in activity is anticipated today.
Visible light · 4 active regions
Extreme UV · 304 Å
Kp Index
1.7
5 or above = storm
Geomagnetic
G0
24 h max: G0
X-Ray
A/B
quiet
⚠ Kp 4 expected · 4 more below
Next 24 h
Expect geomagnetic conditions to reach unsettled levels, peaking at Kp 4 in the next 9 hours before settling back down. No significant radio blackouts or solar radiation storms are predicted during this period.
🌌 Aurora
Aurora visibility is not expected for mid-latitudes.
more
Observers at very high latitudes may see minor auroral activity, but conditions are currently too quiet for displays further south.
👁 Watch for
Monitor active region AR4506 for any signs of magnetic flux emergence, as it remains the most complex region currently visible 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
114.0
sfu
114.0
sfu
| Region | Location | Class | Flares C/M/X |
|---|---|---|---|
| AR4507 | N04W29 | Eai/BG | 4/0/0 |
| AR4510 | N13W59 | Axx/A | 0/0/0 |
| AR4506 | N12W46 | Dao/BG | 9/0/0 |
| AR4508 | N07E03 | Cso/B | 1/0/0 |
NOAA messages
2026-08-14 10:54 Kp 4 expected (WARK04)
2026-08-14 07:15 ALTTP2 (ALTTP2)
2026-08-11 20:55 Kp 20 possible (WATA20)
2026-08-11 11:41 Proton flux UD summary (SUMSUD)
2026-08-11 10:47 Proton flux UD expected (WARSUD)
Helios Observer · Data: NOAA SWPC · updated every 12 h