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
CCOR-1 Captures Comet C/2026 A1
Tuesday, April 07, 2026 13:31 UTC
Comet C/2026 A1 (MAPS) entered the NOAA CCOR-1 instrument field of view over the weekend. The comet does not appear to have survived its close approach to the Sun and likely disintegrated into dust an...
Aurora Timeline Viewer Product Unavailable Until Further Notice
Friday, April 03, 2026 17:58 UTC
While the Aurora Timeline Viewer Product is unavailable, please refer to the official and operational 3-Day Forecast. ...
Registration Open for 2026 Space Weather Workshop
Wednesday, March 18, 2026 13:32 UTC
The 2026 Space Weather Workshop will be held in person along with a virtual component, April 27th - May 1st, 2026 in Boulder, CO at the Embassy Suites by Hilton Boulder. ...
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. ...

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)