Latest Helios Report

  • Solar Watch — May 27, 2026 | 18:00 UTC

    ☀ HELIOS SOLAR WATCH · 2026-05-27 16:00 UTC
    Quiet geomagnetic conditions with moderate solar flare potential
    SOLAR: QUIET
    GEO: UNSETTLED

    Active Regions
    9
    X-Ray
    A/B (quiet)

    Solar activity remains at quiet to unsettled levels with no significant geomagnetic storms currently in progress. While the Kp-index is low, elevated flare probabilities warrant monitoring as active regions cross the disk.

    HMI Continuum Intensity

    HMI Continuum · Visible Light

    SUVI 304 — Extreme UV

    SUVI 304Å · Extreme Ultraviolet

    R0
    Radio Blackouts
    24h max: R0

    S1
    Solar Radiation
    24h max: S0

    G0
    Geomagnetic Storm
    24h max: G0

    Planetary Kp-Index
    1.3
    0–9 scale · ≥5 = geomagnetic storm

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

    The geomagnetic field is currently quiet with a Kp-index of 1.3. We are observing 14 active solar regions, with AR4446 maintaining a complex magnetic configuration. The F10.7 solar radio flux holds steady at 108.0 sfu, indicating moderate solar output consistent with current cycle progression.

    Key Metric

    The 70% probability of M-class flares is the most important metric, as it suggests the potential for localized radio blackouts despite the currently quiet geomagnetic environment.

    Expect geomagnetic conditions to remain largely unsettled, with the Kp-index likely fluctuating near 3.0 throughout the next 24 hours. No significant storming is anticipated, though the high probability of C-class flares suggests potential for minor, transient radio interference on the sunlit side of Earth.

    🌌 Aurora Outlook

    Aurora visibility is not expected for mid-latitudes at this time. Observers in high-latitude regions may see minor, localized activity if the Kp-index holds at the projected 3.0 level.

    Region Location Class Flares C/M/X
    AR4452 N09W21 Cai/B 0/0/0
    AR4450 N10E21 Bxo/B 0/0/0
    AR4449 S11E22 Hsx/A 0/0/0
    AR4448 S07E28 Cao/B 0/0/0
    AR4447 S16W15 Dsi/B 0/0/0
    AR4446 S16E29 Fko/BG 0/0/0
    AR4445 N07W03 Bxo/B 0/0/0
    AR4444 S21W09 Hsx/A 0/0/0
    AR4443 S17W70 Cao/B 0/0/0
    2026-05-27 14:45:02.823Space Weather Message Code: SUMPX1
    2026-05-27 05:47:17.563Space Weather Message Code: WARK04
    2026-05-27 02:28:51.080Space Weather Message Code: SUMPX1
    2026-05-27 02:27:49.300Space Weather Message Code: SUMPX1
    2026-05-27 00:01:34.010Space Weather Message Code: ALTK04

    Monitor active region AR4446 for magnetic evolution that could increase the likelihood of M-class solar flares.