Wednesday, April 04, 2026 14:06:30 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

R2 (Mod) HF Radio Blackout on 10 March 2024.

published: Monday, March 11, 2024 22:58 UTC UTC

Region 3599 produced an impulsive M7.4 X-ray flare (R2-Moderate radio blackout) at approximately 1213 UTC on 10 March 2024. Stay tuned to our we bpage for the latest forecasts, watches, warnings, and alerts.