Viewing archive of Saturday, 27 June 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Jun 27 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 178 Issued at 0245Z on 27 Jun 2026 This report is compiled from data received at SWO on 26 JunA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0030 0030 0030 110 0330 0330 0331 120 0415 0415 0415 130 0450 0450 0450 100 0513 0514 0531 4478 S04E60 Sf 130 0535 0535 0535 100 0704 0705 0705 110 0802 0802 0802 190 0846 0851 0910 4478 S03E58 Sf 210
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 163 SSN 099 Afr/Ap 013/??? X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+06 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 5.90e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 3 3 3 1 3 3 3 2 Planetary 3 2 2 1 2 3 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
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
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 |
This day in history*
Aurora on this day in history
No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation