Wednesday, April 04, 2026 11:51:40 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 Storm Watch Issued for 08 December 2016

published: Tuesday, December 6, 2016 23:11 UTC UTC

A G1-Minor Geomagnetic Storm Watch is in effect for 08 December 2016 due to expected effects from a recurrent, negative polarity CH HSS. Stay tuned for updates!