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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, October 29, 2025 03:17:41

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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

G3 Warning Extended Through 03 Jun 2025

G3 with maps of aurora extent
G3 Warning Extended Through 03 Jun 2025
published: Wednesday, June 04, 2025 13:41 UTC

A G3 Warning has been extended

through 0900 UTC on 03 Jun 2025 (0500 ET) due to persistent CME activity.