Author: sitemill

  • 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