Form of Geomagnetic Activity

Forecasting Form of Geomagnetic Activity





Solar Activities in Past 4-Days
Event Date of
Occurrence
Analysis Judgement Comments
CH 28 June 2026
CH 29 June 2026
CH 30 June 2026
CH 01 July 2026
CME 28 June 2026
01:36 UT
from north limb
(pa: 11°, da: 24°, V: 497 km/s)
not geoeffective
(index: 9.96)
Appr. arrival: 06 July 2026
CME 28 June 2026
03:48 UT
Halo II
(pa: 4°, da: 114°, V: 273 km/s)
geoeffective
(index: 13.96)
Appr. arrival: 05 July 2026
CME 28 June 2026
05:12 UT
from south-west limb
(pa: 204°, da: 6°, V: 155 km/s)
not geoeffective
(index: 4.43)
Appr. arrival: 12 July 2026
CME 28 June 2026
06:24 UT
from south-east limb
(pa: 113°, da: 52°, V: 228 km/s)
not geoeffective
(index: 6.77)
Appr. arrival: 15 July 2026
CME 28 June 2026
15:24 UT
from norh-east limb
(pa: 27°, da: 8°, V: 534 km/s)
not geoeffective
(index: 3.15)
Appr. arrival: 02 July 2026
CME 28 June 2026
22:36 UT
from west limb
(pa: 283°, da: 44°, V: 178 km/s)
geoeffective
(index: 41.25)
Appr. arrival: 18 July 2026
CME 29 June 2026
05:36 UT
from north limb
(pa: 3°, da: 8°, V: 271 km/s)
not geoeffective
(index: 3.34)
Appr. arrival: 07 July 2026
CME 29 June 2026
07:36 UT
from east limb
(pa: 104°, da: 38°, V: 437 km/s)
not geoeffective
(index: 3.03)
Appr. arrival: 04 July 2026
CME 29 June 2026
09:48 UT
from north-west limb
(pa: 303°, da: 8°, V: 480 km/s)
geoeffective
(index: 7.35)
Appr. arrival: 06 July 2026
CME 29 June 2026
17:36 UT
from north limb
(pa: 8°, da: 14°, V: 310 km/s)
not geoeffective
(index: 6.83)
Appr. arrival: 05 July 2026
CME 29 June 2026
23:12 UT
from norh-east limb
(pa: 20°, da: 10°, V: 368 km/s)
not geoeffective
(index: 4.28)
Appr. arrival: 06 July 2026
CME 29 June 2026
23:48 UT
from norh-east limb
(pa: 34°, da: 6°, V: 281 km/s)
not geoeffective
(index: 2.18)
Appr. arrival: 07 July 2026
CME 30 June 2026
14:24 UT
from norh-east limb
(pa: 16°, da: 18°, V: 316 km/s)
not geoeffective
(index: 7.81)
Appr. arrival: 06 July 2026
CME 30 June 2026
21:00 UT
Halo II
(pa: 352°, da: 146°, V: 640 km/s)
geoeffective
(index: 37.87)
Appr. arrival: 08 July 2026
CME 30 June 2026
22:00 UT
from north limb
(pa: 2°, da: 10°, V: 463 km/s)
not geoeffective
(index: 2.31)
Appr. arrival: 04 July 2026
CME 01 July 2026
03:36 UT
from east limb
(pa: 85°, da: 12°, V: 703 km/s)
not geoeffective
(index: 0.36)
Appr. arrival: 03 July 2026