Latest Helios Report

  • Solar Watch — June 05, 2026 | 06:00 UTC

    ☀ HELIOS SOLAR WATCH · 2026-06-05 04:00 UTC
    Geomagnetic activity increasing; G3 storm conditions expected by midday
    SOLAR: MODERATE
    GEO: QUIET

    Active Regions
    8
    X-Ray
    A/B (quiet)

    Geomagnetic activity is escalating as Earth anticipates the arrival of a solar disturbance. Conditions are expected to reach G3 (strong) levels within the next 8-12 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: G3

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

    F10.7 Solar Flux
    146.0
    sfu · >150 = high activity

    While currently quiet with a Kp of 1.3, the environment is shifting rapidly. The F10.7 flux remains at a moderate 146 sfu, reflecting a sun populated by 38 active regions. We are seeing a transition from background X-ray flux to potential disturbance as magnetospheric indices begin their upward climb.

    Key Metric

    The forecasted Kp-index peak of 6.67 is the most critical metric, as it indicates the onset of a significant geomagnetic disturbance capable of impacting power grid stability and satellite operations.

    Geomagnetic levels will rise sharply throughout the day, moving from unsettled to G3 storm conditions by approximately 12:00 UTC. Expect fluctuating conditions as the solar wind interaction intensifies over the coming hours.

    🌌 Aurora Outlook

    Aurora observers at high and mid-latitudes should prepare for increased activity; visibility may extend toward the northern United States and central Europe as the storm reaches G3 intensity.

    Region Location Class Flares C/M/X
    AR4462 N17E47 Dao/B 0/0/0
    AR4461 S21E45 Cri/B 1/0/0
    AR4460 S22W88 Dso/B 0/0/0
    AR4459 N14E22 Dai/BG 0/0/0
    AR4458 S05W21 Dai/BG 1/0/0
    AR4457 S09W72 Cro/B 2/0/0
    AR4455 N15W34 Dki/BG 1/0/0
    AR4446 S14W88 Cso/B 1/0/0
    2026-06-03 22:38:08.387Space Weather Message Code: WARK04
    2026-06-03 14:52:28.343Space Weather Message Code: WATA50
    2026-06-03 11:59:48.137Space Weather Message Code: SUMX01
    2026-06-03 11:47:26.383Space Weather Message Code: SUM10R
    2026-06-03 11:41:23.617Space Weather Message Code: ALTXMF

    Watch for the sudden increase in the planetary K-index starting around 09:00 UTC, which will signal the onset of the geomagnetic storm.