NOAA SOLAR DATA | 2026-10-03 21:00:02 UTC
VERY QUIET
MUF 16.4 MHz | S/N S0-1
93
SOLAR FLUX INDEX
FAIR
3
A-INDEX
QUIET
1
K-INDEX
QUIET
B2.2
X-RAY
NOMINAL
232.8
ELECTRON FLUX
ACTIVE
9.7
PROTON FLUX
NORMAL
PARTICLE RADIATION
16.4
MHz
MAX USABLE FREQ
HF OPEN
G0
GEOMAG STORM
NONE
R0
RADIO BLACKOUT
NONE
NOAA STORM SCALES
G1
GEOMAG FORECAST
MINOR
R0
BLACKOUT FORECAST
NONE
24H FORECAST
HF BAND CONDITIONS
600m
82
DAY
GOOD
72
NIGHT
FAIR
160m
78
DAY
FAIR
69
NIGHT
FAIR
80m
76
DAY
FAIR
68
NIGHT
FAIR
40m
74
DAY
FAIR
66
NIGHT
FAIR
20m
63
DAY
FAIR
55
NIGHT
FAIR
10m
43
DAY
POOR
32
NIGHT
POOR
6m
42
DAY
POOR
31
NIGHT
POOR
7-DAY HISTORY
SOLAR INDICES
PARTICLE FLUX
Data source: NOAA Space Weather Prediction Center • Algorithm by RigReference • Classic view & widget embed codes