Viewing archive of Thursday, 31 December 2015
Select the desired archive item
Solar activity report
Geophysical report
Sunspot regions
Coronal holes
Kp values
Solar flares
Radiation storms
Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz)
CME effects continue: fireworks & aurora tonight?
Coronal mass ejection effects continue here at Earth and the IMF is slowly gaining strength.
Coronal mass ejection arrival
It took a little while but the anticipated coronal mass ejection has finally arrived. It hit ACE at 00:03 UTC which is less than an hour from our predicted arrival time.
Latest news
Monday, 10 June 2024
CME impact, X1.5 solar flare
Saturday, 8 June 2024
M9.3 solar flare, S3 proton storm, Earth-directed CME
Saturday, 1 June 2024
Double impulsive X-class flares
Latest forum messages
AR 3712 172Incoming Active Regions 506Filaments and prominences 209Current topics v historical topics 5The Gleissberg Cycle 4
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Space weather facts
| Last X-flare | 2024/06/10 | X1.55 |
| Last M-flare | 2024/06/17 | M1.3 |
| Last geomagnetic storm | 2024/06/15 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2024 | 171.7 +35.2 |
| June 2024 | 157.6 -14.1 |
| Last 30 days | 145.8 -28.2 |