CURRENT INDICES
X-ray flux: B6.0
Ap index: 22
Kp index: 4 ( n\a @--:--)
SFI: 119↓
SOLAR WIND
Density (p/cm3): 1.2
Speed (km/s): 627
Temp (K):
417
x1000
INTERPLANETARY MAGNETIC FIELD
Strength: Bx=4.8 | By=-2.1
Bz= -4.4 | Bt= 6.9
Angle: Lat= -39.6 ° | Lon=336.6°
SUNSPOTS
Count: 68
Area (10-6/Hemi): 270
New regions: 0
FLARES
X-ray: C=3 M=0 X=0
Optical: M1=0 M2=0 M3=0
LATEST FLARE: 18 Dec 2025
Begin:
09:24B5.0
Maximum:
09:30B7.7
End:
09:41B6.3
Current ratio:0.002
Integrated flux (J m-2):7.56E-4
PROBABILITY
Flares:
| +1 day | +2 days | +3 days |
| C: | 85% | 85% | 85% |
| M: | 15% | 15% | 15% |
| X: | 1% | 1% | 1% |
Protons:
| +1 day | +2 days | +3 days |
| Storm: | 1% | 1% | 1% |
| PCA event: | green |
SUMMARY
Space weather for the past 24 hours has been minor.
Geomagnetic storms reaching the G1 level occurred.
FORECAST
Space weather for the next 24 hours is predicted to be minor.
Geomagnetic storms reaching the G1 level are expected.
SOLAR ACTIVITY
Solar activity is expected to be low with a slight chance for an M-class flare on days one, two, and three (18 Dec, 19 Dec, 20 Dec).
GEOPHYSICAL ACTIVITY
The geomagnetic field is expected to be at quiet to active levels on day one (18 Dec) and quiet to unsettled levels on days two and three (19 Dec, 20 Dec).
last update: 2025-12-18 10:05 UTC
Data compiled in 0.0033 seconds.