Wednesday, April 04, 2026 18:17:51 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

G2 (Moderate) Geomagnetic Storm Watch for 19 Sep

published: Wednesday, September 20, 2023 00:59 UTC UTC

A G2 (Moderate) geomagnetic storm watch has been issued for 19 September (UTC-day) due to a coronal mass ejection that was observed originating from a large filament eruption on 16 September.