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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, October 30, 2025 11:32:58

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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
S1 Storm on 31 March S1 (Minor) Storm on 31 March Monday, March 31, 2025 - 21:17
New Solar Cycle Plots Available! New Solar Cycle Plots Available! Monday, March 31, 2025 - 17:55
R3 Flare on 28 March R3 (Strong) Solar Flare Occurred 28 March, 2025 Friday, March 28, 2025 - 15:47
G2 (Moderate) Watch Issued for 26 Mar 2025 Monday, March 24, 2025 - 11:21
G3 (Strong) Geomagnetic Storm Watch for 23 Mar Saturday, March 22, 2025 - 04:42

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