NOAA SOLAR DATA | 2026-06-22 01:00:02 UTC
VERY QUIET
MUF 24.0 MHz | S/N S0-1
128
SOLAR FLUX INDEX
GOOD
5
A-INDEX
QUIET
1
K-INDEX
QUIET
B8.4
X-RAY
NOMINAL
154.5
ELECTRON FLUX
ACTIVE
7.0
PROTON FLUX
NORMAL
PARTICLE RADIATION
24.0
MHz
MAX USABLE FREQ
HF OPEN
G0
GEOMAG STORM
NONE
R2
RADIO BLACKOUT
MODERATE
NOAA STORM SCALES
G0
GEOMAG FORECAST
NONE
R0
BLACKOUT FORECAST
NONE
24H FORECAST
HF BAND CONDITIONS
600m
93
DAY
GOOD
80
NIGHT
GOOD
160m
89
DAY
GOOD
77
NIGHT
FAIR
80m
87
DAY
GOOD
75
NIGHT
FAIR
40m
84
DAY
GOOD
74
NIGHT
FAIR
20m
79
DAY
FAIR
69
NIGHT
FAIR
10m
62
DAY
FAIR
50
NIGHT
FAIR
6m
52
DAY
FAIR
38
NIGHT
POOR
7-DAY HISTORY
SOLAR INDICES
PARTICLE FLUX
Data source: NOAA Space Weather Prediction Center • Algorithm by RigReference • Classic view & widget embed codes