Aurora & Space Weather

Live Kp index, solar flares, and viewing forecast — recorded continuously from NOAA SWPC

Updated 13:50 UTC
Tonight in Nordic-Baltic latitudes
Quiet skies. Low aurora chance even for far north.
Current Kp
1.3
quiet
Peak Kp (24h)
5.0
03:00 UTC
Active alerts
5
from NOAA SWPC

Kp index — last 24 hours

12:00 UTC Kp 0–9 scale; 5+ = geomagnetic storm 09:00 UTC

X-ray flux (GOES, last 48 readings)

Latest: 0.00000153 W/m²

Recent alerts

  • K04W
    23:43 UTC

    Space Weather Message Code: WARK04 Serial Number: 5370 Issue Time: 2026 Jun 25 2343 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5369 Valid From: 2026 Jun 25 1939 UTC Now Valid Until: 2026 Jun 26 1200 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.

  • K04A
    19:41 UTC

    Space Weather Message Code: ALTK04 Serial Number: 2668 Issue Time: 2026 Jun 25 1941 UTC ALERT: Geomagnetic K-index of 4 Threshold Reached: 2026 Jun 25 1940 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.

  • K04W
    19:39 UTC

    Space Weather Message Code: WARK04 Serial Number: 5369 Issue Time: 2026 Jun 25 1939 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jun 25 1939 UTC Valid To: 2026 Jun 25 2359 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.

  • K05W
    08:47 UTC

    Space Weather Message Code: WARK05 Serial Number: 2243 Issue Time: 2026 Jun 25 0847 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2242 Valid From: 2026 Jun 25 0337 UTC Now Valid Until: 2026 Jun 25 1500 UTC Warning Condition: Persistence NOAA Scale: G1 - Minor NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

  • K04W
    08:46 UTC

    Space Weather Message Code: WARK04 Serial Number: 5368 Issue Time: 2026 Jun 25 0846 UTC EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5367 Valid From: 2026 Jun 24 1740 UTC Now Valid Until: 2026 Jun 25 1800 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.