Data delayed: NASA DONKI Solar Events. We retry automatically; other sources are unaffected.
Sky & Space
Solar flares, CMEs and storms
When the Sun erupts, it can send radiation and clouds of charged particles towards Earth. Flares arrive in minutes, coronal mass ejections (CMEs) in one to three days, and the strongest trigger geomagnetic storms and bright aurora.
Flares, 90 days
0
0 X-class
CMEs, 90 days
0
0 heading our way
Storms, 12 months
0
Events on record
0
Since 2010
Last 90 days
Solar flares
Classes run A, B, C, M, X. Each step is ten times stronger.
No flares logged yet. NASA's feed refreshes every few hours.
Last 90 days
Coronal mass ejections
Clouds of solar plasma. Earth-directed ones are flagged.
No CMEs logged yet. NASA's feed refreshes every few hours.
Last 12 months
Geomagnetic storms
Disturbances to Earth's magnetic field, Kp 5 and above.
No storms logged in the past year.
Data: NASA Space Weather Database Of Notifications, Knowledge, Information (DONKI). Live Kp from NOAA SWPC.