NOAA SOLAR DATA | 2026-06-24 22:00:02 UTC
ACTIVE
MUF 25.8 MHz | S/N S3-4
137
SOLAR FLUX INDEX
GOOD
15
A-INDEX
QUIET
4
K-INDEX
ACTIVE
C1.6
X-RAY
MINOR FLARE
181.5
ELECTRON FLUX
ACTIVE
15.0
PROTON FLUX
ELEVATED
PARTICLE RADIATION
25.8
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
75
DAY
FAIR
68
NIGHT
FAIR
10m
58
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