Space Weather
From NOAA Space Weather Prediction Center, refreshed every 15 minutes.
0.00
Kp index
Quiet
Solar wind
362 km/s
Aurora · north
0%
Aurora · south
0%
Active alerts
Electron 2MeV Integral Flux exceeded 1000pfu
April 14, 2026 11:37 AM UTC
minor
Electron 2MeV Integral Flux exceeded 1000pfu
April 14, 2026 11:37 AM UTC
Space Weather Message Code: ALTEF3 Serial Number: 3675 Issue Time: 2026 Apr 14 1137 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3674 Begin Time: 2026 Apr 03 0920 UTC Yesterday Maximum 2MeV Flux: 1650 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Electron 2MeV Integral Flux exceeded 1000pfu
April 13, 2026 11:01 AM UTC
minor
Electron 2MeV Integral Flux exceeded 1000pfu
April 13, 2026 11:01 AM UTC
Space Weather Message Code: ALTEF3 Serial Number: 3674 Issue Time: 2026 Apr 13 1101 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3673 Begin Time: 2026 Apr 03 0920 UTC Yesterday Maximum 2MeV Flux: 1610 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Electron 2MeV Integral Flux exceeded 1000pfu
April 12, 2026 1:17 PM UTC
minor
Electron 2MeV Integral Flux exceeded 1000pfu
April 12, 2026 1:17 PM UTC
Space Weather Message Code: ALTEF3 Serial Number: 3673 Issue Time: 2026 Apr 12 1317 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3672 Begin Time: 2026 Apr 03 0920 UTC Yesterday Maximum 2MeV Flux: 1082 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geomagnetic K-index of 4 expected
April 12, 2026 9:45 AM UTC
minor
Geomagnetic K-index of 4 expected
April 12, 2026 9:45 AM UTC
Space Weather Message Code: WARK04 Serial Number: 5317 Issue Time: 2026 Apr 12 0945 UTC CANCEL WARNING: Geomagnetic K-index of 4 expected Cancel Serial Number: 5316 Original Issue Time: 2026 Apr 10 0143 UTC Comment: Active conditions (Kp=4) are no longer expected to occur. 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.
Geomagnetic K-index of 4 expected
April 11, 2026 5:56 PM UTC
minor
Geomagnetic K-index of 4 expected
April 11, 2026 5:56 PM UTC
Space Weather Message Code: WARK04 Serial Number: 5316 Issue Time: 2026 Apr 11 1756 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5315 Valid From: 2026 Apr 10 0145 UTC Now Valid Until: 2026 Apr 12 1500 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.