Viewing archive of Friday, 20 March 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 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 2026 This report is compiled from data received at SWO on 19 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0830 0830 0830 110 0900 0900 0901 260 2007 2007 2008 1900
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 106 SSN 038 Afr/Ap 003/003 X-ray Background B2.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.2e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.60e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 0 1 1 0 2 2 0 1 Planetary 1 1 1 1 1 1 0 0
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 | 94.2 +14.9 |
| Last 30 days | 97.1 +4.3 |
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