Viewing archive of Wednesday, 23 April 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 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 2025 This report is compiled from data received at SWO on 22 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0622 0622 0622 120 0838 1049 1134 4065 S30E09 M1.3 Sf 210
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet
to active levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 163 SSN 142 Afr/Ap 013/??? X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.2e+06 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.30e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 3 4 2 3 3 2 2 Planetary 4 3 3 2 2 2 3 3
F. Comments
None
All times in UTC
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Space weather facts
| Last X-flare | 2025/05/25 | X1.1 |
| Last M-flare | 2025/05/26 | M1.4 |
| Last geomagnetic storm | 2025/05/17 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 78.1 -62.5 |
| Last 30 days | 78.1 -48 |