Live Kp index, solar flares, and viewing forecast — recorded continuously from NOAA SWPC
Space Weather Message Code: ALTEF3 Serial Number: 3756 Issue Time: 2026 Oct 24 0904 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3755 Begin Time: 2026 Oct 23 1140 UTC Yesterday Maximum 2MeV Flux: 3169 pfu Max time: 2026 Oct 23 1540 UTC
Space Weather Message Code: ALTK04 Serial Number: 2694 Issue Time: 2026 Oct 23 1955 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Oct 23 1953 UTC Synoptic Period: 1800-2100 Active Warning: YES Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: WARK04 Serial Number: 5443 Issue Time: 2026 Oct 23 1927 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Oct 23 1926 UTC Valid To: 2026 Oct 24 0900 UTC Warning Conditions: Onset Comment: NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Space Weather Message Code: ALTEF3 Serial Number: 3755 Issue Time: 2026 Oct 23 1147 UTC ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Oct 23 1140 UTC Station: GOES-19 Comment:
Space Weather Message Code: WARK04 Serial Number: 5442 Issue Time: 2026 Oct 22 2021 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5441 Valid From: 2026 Oct 21 1616 UTC Now Valid Until: 2026 Oct 23 0300 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Powered by NordAPI