☀ Helios Solar Watch · 2026-08-16 16:00 UTC
QUIET
The Sun remains in a stable, quiet state with no significant geomagnetic activity expected. Current conditions are characterized by low-level flare activity and steady background solar flux.
Visible light · 4 active regions
Extreme UV · 304 Å
Kp Index
0.3
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 remain quiet, with the Kp-index likely hovering between 1 and 2 throughout the next 24 hours. The probability of significant solar flares remains low, with only a 15% chance for M-class events.
🌌 Aurora
Aurora visibility is not expected at mid-latitudes, as planetary geomagnetic activity remains too low to push the auroral oval south of polar regions.
👁 Watch for
Monitor the development of active regions AR4506 and AR4507 for any sudden magnetic flux emergence that could increase the likelihood of M-class flare activity.
▸ 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
128.0
sfu
128.0
sfu
| Region | Location | Class | Flares C/M/X |
|---|---|---|---|
| AR4506 | N12W46 | Dao/BG | 6/0/0 |
| AR4508 | N07E03 | Cso/B | 1/0/0 |
| AR4510 | N13W59 | Axx/A | 0/0/0 |
| AR4507 | N04W29 | Eai/BG | 2/0/0 |
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