Saturday, May 05, 2026 16:26:46 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 Warning for 04 May 2026

A G2 Warning was issued through 23:59 UTC on 04 May due to the passage of a magnetic transient likely associated with an eruption that left the Sun on 30 April.

published: Monday, May 4, 2026 22:49 UTC

A G2 Warning was issued through 23:59 UTC on 04 May due to the passage of a magnetic transient likely associated with an eruption that left the Sun on 30 April. A G2 Alert was issued at 20:31 UTC.