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SFI --K ---:-- UTC

Solar Cycle 25 Status & Progress

We are currently in the peak years of Solar Cycle 25. Unlike Cycle 24, this cycle has outperformed predictions, bringing sunspot numbers (SSN) regularly above 150 and opening the 10m band globally.

Current Activity Level
44 SSN
75% toward max
This interactive map shows propagation layers for the selected band, including optional DX spot markers, a propagation heatmap overlay, grayline (day/night terminator), and an amateur radio Maidenhead grid.
10m Tactical View (MapLibre)
Live Data
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SFI
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K-Index
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SSN
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This interactive map shows propagation layers for the selected band, including optional DX spot markers, a propagation heatmap overlay, grayline (day/night terminator), and an amateur radio Maidenhead grid.
10m Tactical View (MapLibre)
Heatmap
Clusters
H: 60%C: 50px
Station QTH
DEFAULT
Maidenhead Grid
EM15
LAT: 38.00°LON: -97.00°

Band Conditions

SFI context/What SFI means/Solar Cycle 25 tracker
160m
1.8 MHz
FAIR
80m
3.5 MHz
FAIR
60m
5.3 MHz
FAIR
40m
7 MHz
FAIR
30m(W)
10.1 MHz
FAIR
20m
14 MHz
FAIR
17m(W)
18.1 MHz
FAIR
15m
21 MHz
FAIR
12m(W)
24.9 MHz
FAIR
10m
28 MHz
FAIR
6m
50 MHz
FAIR