Viewing archive of Thursday, 2 October 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Oct 02 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 275 Issued at 0245Z on 02 Oct 2025 This report is compiled from data received at SWO on 01 OctA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0042 0042 0042 130 0215 0226 0237 4232 N06E20 M1.2 1n 0327 0327 0327 140 0339 0339 0339 150 0545 0545 0545 120 1119 1119 1119 150 1128 1135 1141 4236 C8.6 190 1433 1433 1433 100 1435 1435 1435 100 1609 1609 1609 160 1636 1650 1700 4232 N08E12 M1.2 1n 100 1704 1704 1704 100 1715 1715 1715 100 1726 1726 1727 160 1735 1735 1735 100 1838 1838 1838 1100 1903 1903 1903 170 2150 2150 2159 4236 N09W00 Sf 150 2339 2341 2341 4232 N06E10 Sf 110
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field reached
major storm levels
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 184 SSN 161 Afr/Ap 025/050 X-ray Background C1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.9e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 7.30e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 5 5 5 3 5 5 4 4 Planetary 5 5 5 4 6 5 6 4
F. Comments
None
All times in UTC
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Latest forum messages
First Meteor Shower 2026 4AR 4355 4Why are northern lights at similar K values visible much further south in North America as opposed to Europe? 7Current Farside Activity 332AR 4351 17
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 | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.6 -4.4 |
| Last 30 days | 122.3 +11.2 |