Wednesday, April 04, 2026 20:51:15 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	--

no data

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 Storm Warning Valid 21/2355-22/0900 UTC

published: Saturday, September 22, 2018 10:09 UTC UTC

A G1 (Minor) geomagnetic storm warning is valid from 21/2355-22/0900 UTC. A G1 (Minor) storm Alert was issued for conditions observed at 21/2359 UTC.