Form of Geomagnetic Activity

Forecasting Form of Geomagnetic Activity





Today's Space Weather Condition
Present Previous
Geomagnetic Activity quiet G0 quiet G1
Σ K Σ Kp 13o 22+
Max K Max Kp 3+ 4-
AE Index (onset/sensitivity)
2026:08:30 22:48:53, 12:11:26 hour, 1277 nT 2026:08:30 00:00:00, 11:58:43 hour, 773 nT
2026:08:31 16:12:41, 03:46:02 hour, 403 nT 2026:08:30 14:31:06, 04:16:31 hour, 672 nT
2026:08:30 19:07:56, 03:25:43 hour, 420 nT
Dst Index (minimum) -20 -22
Event
Solar Wind Speed (km/sec) 392 → 495
339 → 492
Density (/cc) 3 → 24
9 → 25
IMF Bz (nT) -10.4 → 10.6
-11.4 → 9.0
CME Quadrant
east (pa: 88°, da: 26°, V: 324 km/s)
not geoeffective (index: 0.3)
onset: 31 August 2026 04:00 UT
approx. arrival: 05 September 2026
south-east (pa: 120°, da: 18°, V: 412 km/s)
not geoeffective (index: 3.17)
onset: 30 August 2026 04:24 UT
approx. arrival: 04 September 2026
east (pa: 97°, da: 80°, V: 244 km/s)
not geoeffective (index: 3.15)
onset: 31 August 2026 05:24 UT
approx. arrival: 10 September 2026
north-west (pa: 312°, da: 6°, V: 106 km/s)
geoeffective (index: 5.37)
onset: 30 August 2026 11:12 UT
approx. arrival: 16 September 2026
north (pa: 15°, da: 60°, V: 147 km/s)
not geoeffective (index: 9.08)
onset: 30 August 2026 12:12 UT
approx. arrival: 15 September 2026
south-east (pa: 119°, da: 32°, V: 428 km/s)
not geoeffective (index: 5.32)
onset: 30 August 2026 16:48 UT
approx. arrival: 05 September 2026
norh-east (pa: 65°, da: 12°, V: 665 km/s)
not geoeffective (index: 1.81)
onset: 30 August 2026 17:24 UT
approx. arrival: 03 September 2026
east (pa: 88°, da: 26°, V: 324 km/s)
not geoeffective (index: 0.3)
onset: 31 August 2026 04:00 UT
approx. arrival: 05 September 2026
Coronal Hole Location Judgement Location Judgement
north-east
(area: 0.2)
not geoeffective (-)
(B = -0.7 nT)
eastern equator
(area: 0.2)
not geoeffective (+)
(B = 1.2 nT)
Electron Fluxes
485 low 399 low