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 Jul 10 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 Jul 10-Jul 12 2026 is 4.00 (below NOAA
Scale levels).

NOAA Kp index breakdown Jul 10-Jul 12 2026

             Jul 10       Jul 11       Jul 12
00-03UT       2.00         3.67         3.33     
03-06UT       3.00         2.00         3.00     
06-09UT       3.67         2.00         2.67     
09-12UT       3.00         2.67         2.33     
12-15UT       2.00         2.67         2.33     
15-18UT       2.33         2.67         3.33     
18-21UT       3.00         2.67         3.33     
21-00UT       3.67         3.00         4.00     

Rationale: No G1 (Minor) or greater geomagnetic storms are expected. 
Active conditions are likely 10-11 Jul due to coronal hole high-speed
stream effects and on 12 Jul due to glancing influences from a CME that
left the Sun on 09 Jul.

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 Jul 10-Jul 12 2026

              Jul 10  Jul 11  Jul 12
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Jul 10-Jul 12 2026

              Jul 10        Jul 11        Jul 12
R1-R2           25%           25%           25%
R3 or greater    5%            5%            5%

Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts
10-12 Jul due to the potential of Regions 4482 and 4485.