Large Sunspot Group to Rotate into Earth View 24 June
published: Tuesday, June 23, 2026 15:08 UTC
Large sunspot group emergence and growth captured by Solar Orbiter.
R2 Event on 21 June from AR 4473
published: Sunday, June 21, 2026 21:30 UTC
AR 4473 produced an M6.8 flare with an associated Type II radio sweep with an estimated speed of 380 km/s, indicating a possible subsequent CME.
Learn About Various Solar Storms and Phenomena
published: Wednesday, June 17, 2026 19:55 UTC
Learn more about various solar storms and phenomena by visiting the "About Space Weather
SOLAR-1 is Now Operational and Data is Available!
published: Wednesday, June 10, 2026 18:24 UTC
SOLAR-1 is now operational!
G2/G3 Geomagnetic Storm Watches
published: Saturday, June 6, 2026 22:15 UTC
A G3 geomagnetic storm Watch has been issued for 8 Jun, and a G2 geomagnetic storm Watch has been issued for 9 Jun for the anticipated arrival of t
M1.8 Flare from AR 4461 and Filament Eruption on 06 June
published: Saturday, June 6, 2026 18:28 UTC
AR 4461 produced an M1.8 flare at 06/1401 UTC.
G2 Geomagnetic Storm levels reached
published: Friday, June 5, 2026 17:36 UTC
G2 geomagnetic storm levels reached following the likely arrival of the anticipated CME(s) from 3 Jun. Stay tuned for updates!
UPDATE on G3 Watch for 4-5 June UTC Days
published: Thursday, June 4, 2026 02:07 UTC
The current forecast calls for combined CME arrival around mid-afternoon EDT of June 4, with up to G3 levels possible afterwards.
R2 Conditions Reached on 03 June
published: Wednesday, June 3, 2026 03:22 UTC
R2 radio blackout conditions occurred on 03 June due to an isolated class M9.5 solar flare from Region 4455 near the center disk in the Sun's north
R1 Conditions Return with Low-level M-class Flares
published: Tuesday, June 2, 2026 20:43 UTC
R1 radio blackout conditions occurred on June 2nd due to isolated M-class flares from Regions 4461 on the southeast limb and 4455 near center disk.