Activity summary of the solar and geophysical activity
Below you'll find a daily report brought to you by the NOAA about the solar activity and geophysical activity during the past day and the prediction for the coming days. This page is daily updated around midnight.
Solar and Geophysical Activity Summary 2026 Apr 23 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 113 Issued at 0245Z on 23 Apr 2026 This report is compiled from data received at SWO on 22 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0132 0139 0144 4420 C1.7 110 0200 0200 0200 190 0247 0247 0247 150 0321 0321 0321 300 0327 0327 0328 600 0418 0418 0418 160 0443 0443 0443 110 0709 0710 0710 1300 0828 0828 0828 110 1027 1027 1027 130 1034 1034 1034 980 1120 1120 1120 120 1205 1205 1206 210 1238 1238 1238 110 1311 1311 1311 130 1744 1744 1744 250 1747 1747 1747 2500 1755 1755 1755 260 2229 2229 2229 460
B. Proton Events
None
C. Geomagnetic Activity Summary
Geomagnetic activity was at quiet
levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 116 SSN 072 Afr/Ap 004/??? X-ray Background B5.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.0e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.10e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 1 1 0 2 2 2 2 2 Planetary 2 1 1 2 2 1 2 ?
F. Comments
None
Latest news
Monday, 30 March 2026
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/23 | M4.9 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 78.1 -7.8 |
| Last 30 days | 89.4 +15.6 |
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