NOAA SOLAR DATA | 2026-10-16 02:00:02 UTC
QUIET
MUF 23.6 MHz | S/N S1-2
126
SOLAR FLUX INDEX
GOOD
9
A-INDEX
QUIET
2
K-INDEX
QUIET
C1.0
X-RAY
MINOR FLARE
221.6
ELECTRON FLUX
ACTIVE
0.6
PROTON FLUX
NORMAL
PARTICLE RADIATION
23.6
MHz
MAX USABLE FREQ
HF OPEN
G0
GEOMAG STORM
NONE
R0
RADIO BLACKOUT
NONE
NOAA STORM SCALES
G0
GEOMAG FORECAST
NONE
R0
BLACKOUT FORECAST
NONE
24H FORECAST
HF BAND CONDITIONS
600m
88
DAY
GOOD
79
NIGHT
FAIR
160m
84
DAY
GOOD
76
NIGHT
FAIR
80m
82
DAY
GOOD
75
NIGHT
FAIR
40m
80
DAY
GOOD
73
NIGHT
FAIR
20m
74
DAY
FAIR
68
NIGHT
FAIR
10m
57
DAY
FAIR
49
NIGHT
POOR
6m
47
DAY
POOR
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