Viewing archive of Tuesday, 30 September 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Sep 30 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 273 Issued at 0245Z on 30 Sep 2025 This report is compiled from data received at SWO on 29 SepA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0029 0029 0029 100 0137 0145 0147 4232 M3.6 2500 260 0148 0150 0150 2500 0201 0201 0202 260 0314 0321 0324 4236 C2.9 120 0349 0358 0411 4227 C4.4 590 0422 0422 0422 160 1017 1018 1020 4232 S01E43 Sf 740 1106 1115 1118 4236 M1.0 8300 1123 1139 1152 4232 N02E40 M1.1 Sf 1143 1143 1143 120 1156 1159 1202 4233 N16E45 M1.0 Sf 1228 1228 1228 100 1338 1338 1338 120 1417 1425 1431 4236 N10E35 C4.3 Sf 820 1802 1804 1810 4232 N05E36 Sf 110 2027 2032 2037 4232 C3.5 520
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field reached
minor storm levels
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 186 SSN 170 Afr/Ap 013/027 X-ray Background C1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.0e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 3 3 4 4 4 4 2 Planetary 3 3 4 5 4 5 5 3
F. Comments
None
All times in UTC
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