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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, July 01, 2025 06:19:07

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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

sort descending Originally Posted
G4 Conditions Observed! Friday, May 10, 2024 - 18:30
G4 or Greater WATCH Remains in Effect Sunday, May 12, 2024 - 13:01
G4 Watch In Effect for May 11 Thursday, May 9, 2024 - 17:43
G4 Watch Key Messages G4 Watch Key Messages Saturday, May 31, 2025 - 21:41
G5 Conditions Observed! Friday, May 10, 2024 - 23:58

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