Wednesday, April 04, 2026 10:20:22 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 Storm Watch Issued for 16 August

published: Wednesday, August 17, 2016 03:07 UTC UTC

A G1 (Minor) geomagnetic storm watch has been issued for 16 August (UTC day) due to the expected arrival of a high speed solar wind stream from a coronal hole.