Latest Helios Report

  • Solar Watch — May 21, 2026 | 06:00 UTC

    ☀ HELIOS SOLAR WATCH · 2026-05-21 04:00 UTC
    Solar activity remains stable with low-level geomagnetic unsettled conditions.
    SOLAR: MODERATE
    GEO: QUIET

    Active Regions
    4
    X-Ray
    A/B (quiet)

    Current solar conditions are quiet, with minor geomagnetic instability settling toward background levels. While activity remains modest, the presence of multiple active regions maintains a steady, though low, potential for flare development.

    HMI Continuum Intensity

    HMI Continuum · Visible Light

    SUVI 304 — Extreme UV

    SUVI 304Å · Extreme Ultraviolet

    R0
    Radio Blackouts
    24h max: R0

    S0
    Solar Radiation
    24h max: S0

    G0
    Geomagnetic Storm
    24h max: G0

    Planetary Kp-Index
    3.0
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    93.0
    sfu · >150 = high activity

    The solar environment is currently calm with an F10.7 flux of 93.0 sfu, indicating low solar activity levels. The geomagnetic field is slightly elevated at Kp 3.0 following recent fluctuations but is trending toward a quiet state. Four primary active regions are currently visible on the solar disk, though none are displaying complex magnetic configurations likely to produce significant eruptive events.

    Key Metric

    The current Kp-index of 3.0 serves as the primary indicator that while the magnetosphere is unsettled, it remains within normal operational parameters with no immediate impact to satellite or ground-based infrastructure.

    Geomagnetic activity is expected to trend downward, reaching stable Kp 2.0 levels within the next 12 hours. Solar flare probability remains moderate for C-class events, with a lower but persistent 20% chance for an X-class flare given the current regional complexity.

    🌌 Aurora Outlook

    Aurora visibility is not expected for mid-latitudes at this time. Observers in high-latitude regions may see minor, transient activity, but no significant displays are forecast for the next 24-hour cycle.

    Region Location Class Flares C/M/X
    AR4436 N18W78 Csi/B 0/0/0
    AR4441 N07W30 Eai/B 0/0/0
    AR4439 N06E15 Hrx/A 1/0/0
    AR4443 S16E23 Axx/A 0/0/0
    2026-05-20 10:06:55.493Space Weather Message Code: ALTEF3
    2026-05-19 23:56:50.663Space Weather Message Code: WARK04
    2026-05-19 20:57:51.727Space Weather Message Code: WARK04
    2026-05-19 16:42:16.093Space Weather Message Code: WARK04
    2026-05-19 08:55:28.143Space Weather Message Code: ALTK04

    Monitor the evolution of active region AR4441 for magnetic complexity, as its current development is the most likely candidate for potential M-class flare activity.