Viewing archive of Wednesday, 9 April 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Apr 09 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 099 Issued at 0245Z on 09 Apr 2025 This report is compiled from data received at SWO on 08 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0045 0045 0045 110 0541 0603 0624 4057 N11E54 C3.0 Sf II 2208 2222 2236 4048 S15W52 M1.5 1b
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field reached G1
(Minor) geomagnetic storming levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 159 SSN 130 Afr/Ap 020/024 X-ray Background ??? Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.2e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.90e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 4 3 2 5 3 4 3 Planetary 3 4 4 2 5 4 4 4
F. Comments
None
All times in UTC
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/22 | M2.3 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 87.6 +8.3 |
| Last 30 days | 99.3 +9.1 |
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