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
NOTICE: Notifications Timeline Disruption
Monday, May 18, 2026 19:01 UTC
Due to ongoing upgrades, the notifications timeline is unreliable at this time....
Near and Far Side Solar Imagery on 18 May 2026
Monday, May 18, 2026 14:29 UTC
Lack of noteworthy sunspots & low solar activity calls for only a chance of M-class flares (R1-R2 events) the next three days. However, solar far-side imagery from NASA Solar Orbiter means the for...
Eclipse Season for GOES Satellites is Here
Tuesday, March 10, 2026 14:54 UTC
It's that time of year known as eclipse season for NOAA GOES satellites. The Earth will have more visual impacts on imagery, especially for GOES-19 CCOR-1 during this time of year. ...
NASA's IMAP Active Link for Real-Time Data now Available
Monday, February 02, 2026 16:51 UTC
After launching on September 24, 2025, NASA’s Interstellar Mapping and Acceleration Probe (IMAP) observatory recently entered orbit around the Sun-Earth L1 Lagrange point. In addition to new hel...

The Sun (EUV)

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

The Aurora

Aurora ovation plot
South Auroral Forecast Image

Coronal Mass Ejections

CCOR-1 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 < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)