https://services.swpc.noaa.gov
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2
--
R3-R5
--
S1 or greater
--
G
no data
R1-R2
--
R3-R5
--
S1 or greater
--
G
no data
R1-R2
--
R3-R5
--
S1 or greater
--
G
no data
R
no data
S
no data
G
no data
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.