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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, November 04, 2025 04:40:41

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NOAA Scales mini

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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

News Archive

Previous SWPC news items.

News Archive

Originally Posted
14 May X flare R3 flare activity from Region 4087 Wednesday, May 14, 2025 - 09:18
X1.2 Flare 13 May Tuesday, May 13, 2025 - 16:46
Artemis II Testbed Event at SWPC Thursday, May 1, 2025 - 13:18
New NCEI Space Weather Portfolio of Archived Products Tuesday, April 29, 2025 - 22:37
SWPC Testbed for Artemis II Support Preparing for Artemis II at the SWPC Testbed Tuesday, April 29, 2025 - 18:34

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