Wednesday, April 04, 2026 22:12:47 UTC

https://services.swpc.noaa.gov

Space Weather Conditions

24-Hour Observed Maximums

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Latest Observed

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R1-R2	--
R3-R5	--

S1 or greater	--

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R1-R2	--
R3-R5	--

S1 or greater	--

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R1-R2	--
R3-R5	--

S1 or greater	--

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Current Space Weather Conditions

on NOAA Scales

R1 (Minor) Radio Blackout Impacts

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

G1 (Minor) Geomagnetic Storming Observed 23 July

published: Sunday, July 24, 2022 19:45 UTC UTC

G1 (Minor) geomagnetic storming was observed 23/0359 UTC due to the shock arrival from the 21 July halo event CME. See the upcoming 1230 UTC forecast discussion for more details.