Solar Watch — July 03, 2026 | 06:00 UTC

Solar Flare Activity — Last 12 Hours
Peak: M-class @ 23:12 UTC (4h 48min ago)
  M @ 23:12 UTC

☀ HELIOS SOLAR WATCH · 2026-07-03 04:00 UTC
Geomagnetic storm expected as solar activity increases
SOLAR: UNSETTLED
GEO: QUIET

Active Regions
3
X-Ray
A/B (quiet)

Solar activity is shifting from quiet to active levels with a G2-class geomagnetic storm projected for the coming 12 hours. While current conditions remain calm, geomagnetic indices are forecasted to rise significantly by midday UTC.

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: G2

Planetary Kp-Index
1.0
0–9 scale · ≥5 = geomagnetic storm

F10.7 Solar Flux
132.0
sfu · >150 = high activity

The planetary K-index is currently at 1.0, reflecting a quiet geomagnetic environment. However, three active solar regions remain magnetically complex, having produced multiple M-class flares within the last 24 hours. The solar radio flux is elevated at 132 sfu, indicating a robust solar cycle phase.

Key Metric

The forecasted Kp-index of 5.67 is the critical metric, as it indicates the transition into a G2 moderate geomagnetic storm capable of influencing power grid fluctuations and satellite drag.

Geomagnetic conditions are expected to escalate rapidly, reaching G1 status by 06:00 UTC and peaking at G2 levels between 09:00 and 12:00 UTC. Expect a transition to active to storm levels throughout the remainder of the observation period.

🌌 Aurora Outlook

Aurora visibility for mid-latitudes (40-60°N) is likely to improve significantly during the peak window. Observers in northern latitudes should prepare for potential displays as the Kp index climbs toward 5.67.

Region Location Class Flares C/M/X
AR4478 S05W33 Fki/BGD 0/0/0
AR4480 S16W56 Esi/BG 1/1/0
AR4479 N17W52 Eki/BGD 3/2/0
2026-07-02 09:35:50.760Space Weather Message Code: WATA30
2026-07-01 23:20:07.560Space Weather Message Code: SUMXM5
2026-07-01 23:08:41.673Space Weather Message Code: ALTXMF
2026-07-01 12:40:57.270Space Weather Message Code: WATA30
2026-07-01 05:54:08.210Space Weather Message Code: WARK05

Monitor the actual Kp-index readings starting at 06:00 UTC to confirm the arrival and magnitude of the projected geomagnetic disturbance.