Viewing archive of Sunday, 28 June 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Jun 28 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 179 Issued at 0245Z on 28 Jun 2026 This report is compiled from data received at SWO on 27 JunA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0435 0435 0435 100 0644 0644 0644 100 0825 0825 0825 150 0858 0858 0858 110 1704 1704 1704 110
B. Proton Events
None
C. Geomagnetic Activity Summary
Geomagnetic field activity was at
quiet levels witth an early, isolated unsettled period.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 188 SSN 119 Afr/Ap 008/??? X-ray Background C1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.9e+05 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.50e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 3 3 2 1 2 2 2 2 Planetary 3 2 2 1 2 1 2 ?
F. Comments
None
All times in UTC
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Latest forum messages
AR 4479 11AR4473 (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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