Moderate M1.1 solar flare erupts at 06:27 UTC on July 1, 2026

A moderate M1.1 solar flare erupted at 06:27 UTC on July 1, 2026.

Today’s flares include a M1.1 flare (start 06:19 UTC, peak 06:27 UTC, end 06:30 UTC, source region 4479), as well as several other M-class flares: M1.0 at 06:43 UTC, M1.5 at 07:35 UTC, M2.5 at 08:17 UTC, and M1.3 at 10:08 UTC, all from region 4479. C-class events and other minor activity were also reported.

In 24 hours to 12:30 UTC on July 1, solar activity reached high levels, driven by an X1.1 flare on June 30, and included multiple impulsive M-class flares and a C9.1 flare. Three active regions remain in a growth phase.

Solar activity is likely to reach moderate levels (R1 – Minor to R2 – Moderate) with a slight chance for X-class (R3 – Strong) flares given the current active regions.

Active sunspot regions presently observed on the Earth-facing solar disk include AR 4475 (S09W63 – Beta), AR 4477 (S14W31 – Beta), AR 4478 (S05W06 – Beta-Gamma-Delta), AR 4479 (N16W24 – Beta-Gamma-Delta), and AR 4480 (S18W30 – Beta).

Over the past 24 hours, the greater than 2 MeV electron flux was at moderate to high levels, peaking at 5 687 pfu. The greater than 10 MeV proton flux remained at background levels. The greater than 2 MeV electron flux is expected to reach high levels on July 1 and 3, with moderate levels likely on July 2 due to possible CME arrival. There is a slight chance for an S1 – Minor event due to current flare potential.

Solar wind conditions were enhanced due to CME arrival, with total field strength increasing to 18 nT, variable Bz component with deflections down to -10 nT, and wind speeds steady near 425 km/s. Enhanced solar wind is expected through July 1 as CME activity persists, with further increases possible late on July 1 or early July 2 from the prior CME, and another enhancement possible on July 3 due to the recent CME.

The geomagnetic field was quiet until the arrival of the June 26 CME, after which active to G1 – Minor storm conditions were observed. G1 – Minor storming is expected, with a chance for isolated G2 – Moderate periods through early July 1. Unsettled to active conditions are expected on July 2 with potential CME arrival, and G1 – Minor to G2 – Moderate conditions are possible by July 3 pending CME analysis.