Viewing archive of Friday, 27 March 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Mar 27 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 086 Issued at 0245Z on 27 Mar 2026 This report is compiled from data received at SWO on 26 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0611 0623 0631 4403 N13E59 M3.9 1n 1600 110 II 0652 0658 0701 C3.3 150 0942 0942 0942 110 1227 1227 1227 120 1935 1935 1935 220
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet
and unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 152 SSN 113 Afr/Ap 007/010 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.7e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.80e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 1 2 3 3 3 3 2 2 Planetary 3 2 3 2 2 3 2 2
F. Comments
None.
All times in UTC
Latest news
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Latest forum messages
New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 89Current Farside Activity 661AR4473 11AR4472 11Incoming & Unnumbered Active Regions 484
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/21 | M2.6 |
| Last geomagnetic storm | 2026/06/11 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 100.6 -0.8 |
| Last 30 days | 107.8 +9.3 |
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