Viewing archive of Thursday, 20 March 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Mar 20 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 079 Issued at 0245Z on 20 Mar 2025 This report is compiled from data received at SWO on 19 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1402 1402 1402 160 2021 2040 2047 4031 N14W36 M1.5 1n
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagetic field reached minor
storm levels due to transient influence.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 180 SSN 170 Afr/Ap 019/024 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.9e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.40e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 3 4 3 4 5 4 3 Planetary 2 4 4 2 4 4 5 3
F. Comments
None.
All times in UTC
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| 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 | 128.3 +42.3 |
| Last 30 days | 97.5 +35.7 |
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