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 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

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)