Wednesday, April 04, 2026 12:42:28 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

R1-2 (Minor-Moderate) Radio Blackouts Continue

published: Friday, March 29, 2024 16:01 UTC UTC

AR 3615 continues to be the main culprit of activity producing R1 and 2 (Minor-Moderate) radio blackouts, the latest of which registered at M7.1 at 28/0629 UTC. Observe near real time X-ray flux data at https://www.swpc.noaa.gov/products/goes-x-ray-flux, and check out the latest forecast discussion at https://www.swpc.noaa.gov/products/forecast-discussion for the 3-day flare forecast.