Viewing archive of Saturday, 9 August 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Aug 09 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 221 Issued at 0245Z on 09 Aug 2025 This report is compiled from data received at SWO on 08 AugA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0329 0353 0401 4168 N03W43 M2.8 Sf 0407 0407 0407 130 0419 0419 0419 140 0545 0545 0545 140 0616 0616 0617 220 0822 0822 0822 150 1208 1208 1208 1200 1349 1349 1349 110 1353 1353 1353 140 1415 1435 1508 4168 N09W39 C8.1 1f 530 1600 1600 1601 110 1622 1629 1632 4168 N04W48 Sf 150 1633 1635 1635 180 1635 1635 1635 130 1638 1657 1707 4170 S16W74 C9.8 Sf 120 1856 1910 1917 4168 N06W53 M1.0 Sf 1926 1926 1926 140 1955 1955 1955 110 2012 2012 2012 110 2139 2139 2139 320 2211 2219 2223 C4.9 120 2317 2317 2317 120
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 148 SSN 177 Afr/Ap 018/022 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.3e+06 GT 10 MeV 1.8e+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 W75 degrees) 3 Hour K-indices Boulder 1 1 2 3 4 5 4 4 Planetary ? ? ? ? ? ? ? ?
F. Comments
None.
All times in UTC
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4409 172Comet C/2026 A1 (MAPS) for the southern hemisphere 54Space Weather Memes 817Photographing auroras 240AR4405 244
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 | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 128.3 +42.3 |
| Last 30 days | 97.5 +35.7 |
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