NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, September 26, 2022 16:41:50

Main menu

NOAA Scales

minimize icon
Space Weather Conditions
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
maximize icon
R
no data
S
no data
G
no data
Current Space Weather Conditions
R1 (Minor) Radio Blackout Impacts
close
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

Space Weather Summary

  • Solar Wind Speed: km/sec
  • Solar Wind Magnetic Fields: Bt nT, Bz nT
  • Noon 10.7cm Radio Flux: sfu

Slider

Planetary K-Index Plot Changes
What is a CME?
Tuesday, September 06, 2022 14:07 UTC

iPhone and users of the Safari web browser on Macs users have reported issues with this new product.  We have temporarily rolled back this change w

Friday, August 26, 2022 18:20 UTC
Thursday, December 09, 2021 17:13 UTC

Coronal Mass Ejections (CMEs) are large expulsions of plasma and magnetic field from the Sun’s corona.

Thursday, December 09, 2021 17:01 UTC

Just like we experience weather on Earth, there’s weather in space!

Serving Essential Space Weather Communities

The Sun (EUV)

Solar Ultraviolet Image

Coronal Mass Ejections

LASCO C3 Coronagraph Image

The Aurora

Aurora ovation plot

GOES X-Ray Flux

GOES Proton Flux

Estimated Planetary K-Index

Planetary K Index plot