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
Moderate (G2) Geomagnetic Storming Observed - 02 Aug 2026
Sunday, August 02, 2026 18:42 UTC
The geomagnetic field reached G2 (Moderate) storm levels at 02/1759 UTC, following the arrival of a CME. Additional G2 storm periods are expected through 02/2359 UTC, with G1 (Minor) storming expected...
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...
Solar Wind Data and Display Changes
Tuesday, June 30, 2026 21:35 UTC
Solar wind data and display changes on our webpage due to DSCOVR data termination and SOLAR-1 being the primary instrument. Users need to utilize the new solar wind display....
Learn About Various Solar Storms and Phenomena
Wednesday, June 17, 2026 19:55 UTC
Learn more about various solar storms and phenomena by visiting the "About Space Weather" on our webpage....

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)