Solar Information

Solar images from SOHO

The Sun Now

Extreme ultraviolet Imaging Telescope image at 284 Angstrom (to 2 million degrees K)



Michelson Doppler Imager (MDI) image showing sunspots



Magnetogram image showing magnetic field, black and white show opposite polarities

Information from the Space Weather Prediction Center, Boulder, CO
National Oceanic and Atmospheric Administration (NOAA)

Aurora Activity

Solar Cycle

Sun Spot Number Progression

Last 5 cycles Sun Spot Number Progression

Solar Wind

3-day Solar-Geophysical Forecast

:Product: 3-Day Forecast
:Issued: 2026 Jan 05 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Jan 05-Jan 07 2026 is 4.33 (below NOAA
Scale levels).

NOAA Kp index breakdown Jan 05-Jan 07 2026

             Jan 05       Jan 06       Jan 07
00-03UT       3.00         2.33         1.67     
03-06UT       4.00         1.67         1.67     
06-09UT       4.33         1.67         1.33     
09-12UT       2.67         1.33         1.33     
12-15UT       3.33         1.33         1.33     
15-18UT       4.00         1.33         1.33     
18-21UT       2.33         1.00         1.67     
21-00UT       2.00         0.67         1.33     

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Jan 05-Jan 07 2026

              Jan 05  Jan 06  Jan 07
S1 or greater   10%     10%     10%

Rationale: There is a slight chance for S1 (Minor) solar radiation
storms through 07 Jan.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Jan 05-Jan 07 2026

              Jan 05        Jan 06        Jan 07
R1-R2           45%           45%           45%
R3 or greater   10%           10%           10%

Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts,
and a slight chance for isolated R3 (Strong) events over 05-07 Jan.