NOAA Space Weather Prediction Center

Where are we at in the current solar cycle? that 11-year on average period of time when the Sun goes from a minimum of activity to a maximum and back to minimum. Meet Dr. Mark Miesch in this SWPC video to explain more.

WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Apr 30 2309 UTC Valid To: 2026 May 01 0900 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2026 Apr 30 2309 UTC bit.ly/3wVgAKH

Our NOAA GOES-19 CCOR-1 instrument is critical for observing and analyzing CMEs. But, sometimes, other activity comes into view, that while not space weather, is still fascinating! Such as this animation showing the recent passage of Comet C/2025 R3 (PanSTARRS).

ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Apr 26 2257 UTC NOAA Scale: R2 - Moderate Issue Time: 2026 Apr 26 2300 UTC bit.ly/3wVgAKH

WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Apr 25: G1 (Minor) Apr 26: G1 (Minor) Apr 27: None (Below G1) Issue Time: 2026 Apr 24 2350 UTC bit.ly/3wVgAKH

ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Apr 24 1812 UTC NOAA Scale: R2 - Moderate Issue Time: 2026 Apr 24 1812 UTC bit.ly/3wVgAKH

ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Apr 24 0812 UTC NOAA Scale: R2 - Moderate Issue Time: 2026 Apr 24 0812 UTC bit.ly/3wVgAKH

ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Apr 24 0105 UTC NOAA Scale: R2 - Moderate Issue Time: 2026 Apr 24 0108 UTC bit.ly/3wVgAKH

Activity Update for 23 April, 2026: Sunspot groups erupted in R1 level solar flares today & each produced a CME. To learn more about today's activity and what we are looking at closely, check out our latest SWPC video and stay space weather aware at spaceweather.gov #NWS

EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2228 Valid From: 2026 Apr 21 0110 UTC Now Valid Until: 2026 Apr 21 1500 UTC Warning Condition: Persistence Issue Time: 2026 Apr 21 0544 UTC bit.ly/3wVgAKH

WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Apr 21 0110 UTC Valid To: 2026 Apr 21 0600 UTC Warning Condition: Persistence NOAA Scale: G1 - Minor Issue Time: 2026 Apr 21 0110 UTC bit.ly/3wVgAKH

Issue Time: bit.ly/3wVgAKH

G2 (Moderate) geomagnetic storm levels reached following persistent coronal hole high speed stream influences.

WARNING: Geomagnetic K-Index of 6 expected Valid From: 2026 Apr 19 0848 UTC Valid To: 2026 Apr 19 1500 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate Issue Time: 2026 Apr 19 0849 UTC bit.ly/3wVgAKH

EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2226 Valid From: 2026 Apr 18 2348 UTC Now Valid Until: 2026 Apr 19 1800 UTC Warning Condition: Persistence Issue Time: 2026 Apr 19 0849 UTC bit.ly/3wVgAKH

EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2225 Valid From: 2026 Apr 18 2348 UTC Now Valid Until: 2026 Apr 19 1200 UTC Warning Condition: Persistence Issue Time: 2026 Apr 19 0604 UTC bit.ly/3wVgAKH

WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Apr 18 2348 UTC Valid To: 2026 Apr 19 0900 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2026 Apr 18 2350 UTC bit.ly/3wVgAKH

WARNING: Geomagnetic K-Index of 6 expected Valid From: 2026 Apr 18 0751 UTC Valid To: 2026 Apr 18 1500 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate Issue Time: 2026 Apr 18 0752 UTC bit.ly/3wVgAKH

WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Apr 18 0317 UTC Valid To: 2026 Apr 18 1800 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2026 Apr 18 0317 UTC bit.ly/3wVgAKH

WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Apr 17: G2 (Moderate) Apr 18: G2 (Moderate) Apr 19: G1 (Minor) Issue Time: 2026 Apr 16 2209 UTC bit.ly/3wVgAKH