Viewing archive of Wednesday, 11 June 2025
Solar activity report
Report of Solar-Geophysical Activity 2025 Jun 11 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 162 Issued at 2200Z on 11 Jun 2025IA. Analysis of Solar Active Regions and Activity from 10-2100Z to 11-2100Z Solar activity has been at low levels for the past 24 hours.
There are currently 9 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (12 Jun, 13 Jun,
14 Jun).
IIA. Geophysical Activity Summary 10-2100Z to 11-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 495 km/s at 11/1741Z. Total IMF reached 11
nT at 11/1623Z. The maximum southward component of Bz reached -10 nT at
11/1611Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 848 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (12 Jun), quiet to active
levels on day two (13 Jun) and unsettled to major storm levels on day
three (14 Jun).
III. Event Probabilities 12 Jun to 14 Jun
| Class M | 40% | 40% | 40% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 11 Jun 141 Predicted 12 Jun-14 Jun 120/120/120 90 Day Mean 11 Jun 151
V. Geomagnetic A Indices
Observed Afr/Ap 10 Jun 011/ NA Estimated Afr/Ap 11 Jun 011/014 Predicted Afr/Ap 12 Jun-14 Jun 008/008-011/015-024/032
VI. Geomagnetic Activity Probabilities 12 Jun to 14 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 40% | 30% |
| Minor storm | 05% | 20% | 40% |
| Major-severe storm | 01% | 05% | 25% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 10% | 05% |
| Minor storm | 25% | 30% | 20% |
| Major-severe storm | 25% | 55% | 75% |
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
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 | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| Last 30 days | 90.3 +19 |
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