Solar radiation storms

An Electron 2 MeV Integral Flux Alert was issued on September 9, 2026 after flux levels exceeded 1,000 pfu beginning at 15:50 UTC on September 8.

An Electron 2 MeV Integral Flux Alert was issued on September 9, 2026 after flux levels exceeded 1,000 pfu. The alert continues from September 8.

An Electron 2 MeV Integral Flux Alert was issued on September 8, 2026 after flux exceeded 1,000 pfu at 15:50 UTC, as measured by GOES-19.

An electron flux alert was issued on September 6, 2026, after the 2 MeV integral flux exceeded 1,000 pfu at 18:22 UTC as measured by GOES-19.

An S1 – Minor Solar Radiation Storm Alert was issued at 16:33 UTC on September 5, 2026. The alert was triggered by proton flux exceeding 10 pfu.

An S1 – Minor Solar Radiation Storm Alert was issued on September 5, 2026 at 15:56 UTC after proton flux at 100 MeV exceeded 1 pfu.

An Alert for Electron 2 MeV Integral Flux exceeding 1,000 pfu was issued on September 4, 2026. The Alert remains in effect after exceeding threshold levels.

An Electron 2 MeV Integral Flux Alert was issued on September 3, 2026, after flux levels exceeded 1,000 pfu. The alert remains in effect.

An alert for electron 2 MeV integral flux exceeding 1,000 pfu was issued on September 2, 2026 at 10:14 UTC and remains in effect.

An Electron 2 MeV Integral Flux Alert was issued on September 1, 2026, after flux exceeded 1,000 pfu with a maximum of 1,030 pfu at 07:30 UTC.