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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, July 02, 2025 01:21:52

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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 ascending Originally Posted
X5.0 Flare Closes Out the 2023 Year Sunday, December 31, 2023 - 22:20
X2.8 X2.8 Flare from Old Region 3664 Monday, May 27, 2024 - 08:10
X2.5 Flare from Region 3576 Friday, February 16, 2024 - 07:48
X2.2/2b Flare (R3 - Strong Radio Blackout) on 17 February 2023 Wednesday, March 30, 2022 - 18:31
R3 Event on 20 April 2022 X2 Flare (R3 - Strong Radio Blackout) on 20 April, 2022 UTC-Day Wednesday, April 20, 2022 - 05:22

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