Solar Watch — September 22, 2026 | 06:00 UTC

☀ Helios Solar Watch · 2026-09-22 04:00 UTC
QUIET

The sun is currently in a period of low activity with no significant geomagnetic disturbances observed or expected. Planetary conditions are quiet, and solar flare output remains at minimal levels.

HMI Continuum Intensity

Visible light · 6 active regions

SUVI 304 — Extreme UV

Extreme UV · 304 Å

Kp Index
2.0
5 or above = storm

Geomagnetic
G0
24 h max: G0

X-Ray
A/B
quiet


⚠ Kp 20 possible · 4 more below
Next 24 h

Geomagnetic conditions will remain quiet over the next 24 hours with Kp levels expected to hover around 1 to 2. No significant solar radiation storms or radio blackouts are anticipated during this period.

🌌 Aurora

Auroral activity is expected to be minimal.

more

Mid-latitude observers are unlikely to see displays, as current solar wind parameters do not support significant particle precipitation in lower latitudes.

👁 Watch for

Monitor AR4534 as it rotates toward the solar limb; while current flare output is low, its magnetic complexity warrants observation for potential C-class flare production.

▸ Detailed readings

Radio blackout
 R0
(24 h max R0)
Radiation
 S0
(24 h max S0)
F10.7
 99.0
sfu

Region Location Class Flares C/M/X
AR4533 S13E50 Hsx/A 0/0/0
AR4536 N03E01 Cri/B 0/0/0
AR4535 N12E58 Hrx/A 0/0/0
AR4534 N11W21 Dri/B 2/0/0
AR4538 N11W09 Bxo/B 0/0/0
AR4537 N07W11 Bxo/B 0/0/0
NOAA messages
2026-09-21 18:32  Kp 20 possible (WATA20)
2026-09-16 05:38  Kp 4 expected (WARK04)
2026-09-16 00:34  Kp 4 reached (ALTK04)
2026-09-15 18:56  Kp 5 (G1) expected (WARK05)
2026-09-14 11:03  Electron flux F3 reached (ALTEF3)


Helios Observer · Data: NOAA SWPC · updated every 12 h