☀ Helios Solar Watch · 2026-10-23 04:00 UTC
QUIET
Solar activity has trended downward, with the planetary K-index dropping to 1.7 following a period of minor, unsettled conditions. Current conditions remain stable across all major indices.
Visible light · 2 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
Geomagnetic activity is expected to remain quiet for the next 24 hours, with K-index values likely to hover between 2.0 and 3.0. No significant flare activity is anticipated, and Earth’s space environment should remain largely undisturbed.
🌌 Aurora
Aurora visibility is restricted to high-latitude regions.
more
Observers at mid-latitudes (40-60°N) should not expect any significant displays under current quiet conditions.
👁 Watch for
Monitor active region AR4560 for any sudden increases in magnetic complexity, which could lead to an uptick in flare frequency.
▸ 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
107.0
sfu
107.0
sfu
| Region | Location | Class | Flares C/M/X |
|---|---|---|---|
| AR4560 | N13W42 | Eai/BG | 3/0/0 |
| AR4557 | N07W68 | Dao/B | 1/0/0 |
NOAA messages
2026-10-22 20:21 Kp 4 expected (WARK04)
2026-10-22 00:03 Kp 5 (G1) reached (ALTK05)
2026-10-21 22:28 Kp 5 (G1) expected (WARK05)
2026-10-21 21:30 Kp 4 reached (ALTK04)
2026-10-20 19:12 Kp 20 possible (WATA20)
Helios Observer · Data: NOAA SWPC · updated every 12 h