Latest Helios Report

  • Solar Watch — April 25, 2026 | 06:00 UTC

    Solar Flare Activity — Last 12 Hours
    Peak: M-class @ 18:15 UTC (9h 45min ago)
      M @ 18:03 UTC  ·  M @ 18:34 UTC

    ☀ HELIOS SOLAR WATCH · 2026-04-25 04:00 UTC
    Solar Activity Elevated; Active Regions Monitor Ongoing X-Ray Potential
    SOLAR: ACTIVE
    GEO: QUIET

    Active Regions
    7
    X-Ray
    A/B (quiet)

    Solar activity remains elevated with multiple active regions, including one recently responsible for X-class flares. Geomagnetic conditions are currently unsettled but expected to return to quiet levels within the next 24 hours.

    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: G1

    Planetary Kp-Index
    3.3
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    108.0
    sfu · >150 = high activity

    The sun is currently hosting 30 active regions, with AR4419 remaining the primary focus for high-energy events. Despite recent X-class activity, X-ray flux has subsided to quiet background levels. Planetary K-index is currently at 3.3, reflecting minor geomagnetic disturbances that are trending downward.

    Key Metric

    The 40% probability of M-class flares remains the most critical metric as it indicates the ongoing potential for localized radio interference on the sunlit side of Earth.

    Geomagnetic activity is expected to stabilize, with Kp values dropping from 3.3 to 2.0 by the latter half of the cycle. While the probability of another X-class flare is relatively low at 5%, the complexity of existing regions maintains a 40% chance for M-class events.

    🌌 Aurora Outlook

    Aurora visibility is limited to high-latitude regions. Observers at mid-latitudes are unlikely to see significant activity as the geomagnetic field enters a period of relative calm.

    Region Location Class Flares C/M/X
    AR4424 N17E45 Cro/B 0/0/0
    AR4423 S05E30 Dai/BD 5/1/0
    AR4425 N06E76 Dso/B 0/0/0
    AR4420 N17E10 Eki/BGD 0/0/0
    AR4422 N08W73 Hrx/A 0/0/0
    AR4419 N15W79 Eso/BGD 1/1/2
    AR4421 S11E24 Hsx/A 1/0/0
    2026-04-25 01:37:16.980Space Weather Message Code: WARK04
    2026-04-24 23:50:43.280Space Weather Message Code: WATA20
    2026-04-24 18:35:25.930Space Weather Message Code: SUMXM5
    2026-04-24 18:12:55.427Space Weather Message Code: ALTXMF
    2026-04-24 10:42:00.107Space Weather Message Code: ALTTP4

    Monitor the evolution of Active Region 4419 as it rotates toward the solar limb for any late-stage eruptive activity.