NOAA SOLAR DATA | 2026-08-25 21:00:02 UTC
VERY QUIET
MUF 24.8 MHz | S/N S0-1
132
SOLAR FLUX INDEX
GOOD
6
A-INDEX
QUIET
1
K-INDEX
QUIET
B7.6
X-RAY
NOMINAL
1,051.2
ELECTRON FLUX
ALERT
19.6
PROTON FLUX
ELEVATED
PARTICLE RADIATION
24.8
MHz
MAX USABLE FREQ
HF OPEN
G0
GEOMAG STORM
NONE
R2
RADIO BLACKOUT
MODERATE
NOAA STORM SCALES
G0
GEOMAG FORECAST
NONE
R2
BLACKOUT FORECAST
MODERATE
24H FORECAST
HF BAND CONDITIONS
600m
87
DAY
GOOD
80
NIGHT
GOOD
160m
83
DAY
GOOD
77
NIGHT
FAIR
80m
81
DAY
GOOD
75
NIGHT
FAIR
40m
79
DAY
FAIR
74
NIGHT
FAIR
20m
74
DAY
FAIR
69
NIGHT
FAIR
10m
57
DAY
FAIR
50
NIGHT
FAIR
6m
46
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