NOAA SOLAR DATA | 2026-07-14 01:00:02 UTC
ACTIVE
MUF 18.6 MHz | S/N S3-4
103
SOLAR FLUX INDEX
FAIR
9
A-INDEX
QUIET
4
K-INDEX
ACTIVE
B6.8
X-RAY
NOMINAL
417.0
ELECTRON FLUX
ACTIVE
12.7
PROTON FLUX
ELEVATED
PARTICLE RADIATION
18.6
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
84
DAY
GOOD
74
NIGHT
FAIR
160m
80
DAY
GOOD
71
NIGHT
FAIR
80m
78
DAY
FAIR
70
NIGHT
FAIR
40m
76
DAY
FAIR
69
NIGHT
FAIR
20m
71
DAY
FAIR
64
NIGHT
FAIR
10m
45
DAY
POOR
35
NIGHT
POOR
6m
44
DAY
POOR
34
NIGHT
POOR
7-DAY HISTORY
SOLAR INDICES
PARTICLE FLUX
Data source: NOAA Space Weather Prediction Center • Algorithm by RigReference • Classic view & widget embed codes