Viewing archive of Friday, 26 June 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Jun 26 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 177 Issued at 0245Z on 26 Jun 2026 This report is compiled from data received at SWO on 25 JunA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0827 0827 0827 120 2317 2319 2320 460 2329 2329 2329 130 2332 2332 2332 130 2335 2348 2351 4478 C5.0 250
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field reached G1
(Minor) storming levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 156 SSN 136 Afr/Ap 029/025 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.70e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 4 6 4 3 3 3 3 3 Planetary 4 5 4 3 4 3 4 3
F. Comments
None.
All times in UTC
Latest news
Thursday, 4 June 2026
G3 geomagnetic storm watch for 4 and 5 June
Wednesday, 13 May 2026
Coronal hole faces Earth
Monday, 30 March 2026
X1.5 solar flare
Latest forum messages
AR 4479 13AR4473 (featuring AR4475) 63CME 2026-06-26 20:00Z near AR4475 6AR4478 90Current Farside Activity 678
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/21 | M6.9 |
| Last geomagnetic storm | 2026/06/25 | 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 | 101.2 -0.2 |
| Last 30 days | 102.6 +3.6 |
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