Space Weather Prediction Center

National Oceanic and Atmospheric Administration

https://services.swpc.noaa.gov
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Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
R1 (Minor) Radio Blackout Impacts
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HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales
  • Solar Wind Speed: km/sec
  • Solar Wind Magnetic Fields: Bt nT, Bz nT
  • Noon 10.7cm Radio Flux: sfu
Issue with Real Time Solar Wind Plots
Thursday, September 03, 2026 19:54 UTC
Real Time Solar Wind plots stopped updating due to a server failure at approximately 1654 UTC. Currently, ACE and SOLAR1 data are unavailable. Our IT team is currently working the issue, hoping to hav...
CCOR-1 White Light Imagery Degradation
Tuesday, September 01, 2026 14:09 UTC
CCOR-1 white-light image quality is currently degraded. The cause of the degradation has been identified and a solution is being worked. The running-difference imagery is unaffected....
SWPCs New Solar Wind Display Officially Operational
Friday, August 21, 2026 16:25 UTC
What Changed?Now that the new solar wind display has completed its experimental review period, the experimental banner has been removed from the title and it has become the operational display for sol...
SOLAR-1 CCOR-2 Now Fully Operational and on Our Webpage
Thursday, July 23, 2026 17:47 UTC
Coronagraph imagery is now available from NOAA’s Space Weather Observations at L1 to Advance Readiness (SOLAR-1). The Compact Coronagraph 2 (CCOR-2) instrument was declared operational in June 2026, a...

The Sun (EUV)

Solar Ultraviolet Image 195 Å (Angstrom)
Solar Ultraviolet Image 94 Å (Angstrom)
Solar Ultraviolet Image 131 Å (Angstrom)
Solar Ultraviolet Image 171 Å (Angstrom)
Solar Ultraviolet Image 284 Å (Angstrom)
Solar Ultraviolet Image 304 Å (Angstrom)
Solar Ultraviolet Image Thematic Map

The Aurora

Aurora ovation plot
South Auroral Forecast Image

The Corona

CCOR-1 Coronagraph Image
CCOR-2 Coronagraph Image
LASCO C2 Coronagraph Image
LASCO C3 Coronagraph Image

GOES X-Ray Flux

 

GOES Proton Flux

 

Planetary K Index

 
Updated Time:
 
NOAA Scales Geomagnetic Storms
Kp < 5Kp = 5 (G1)Kp = 6 (G2)Kp = 7 (G3)Kp = 8, 9- (G4)Kp = 9o (G5)