Viewing archive of Thursday, 31 December 2015

Select the desired archive item

CME effects continue: fireworks & aurora tonight?

Coronal mass ejection effects continue here at Earth and the IMF is slowly gaining strength.

Read more

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.

Read more

Latest news

Support 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!

100%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/09/14X4.54
Last M-flare2024/09/14M3.0
Last geomagnetic storm2024/09/17Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
August 2024215.5 +19
September 2024149.4 -66.1
Last 30 days156.7 -55.8

This day in history*

Solar flares
12023M8.2
22015M3.13
31998M2.71
42002M2.66
52002M2.21
DstG
11989-93
21977-85G2
32015-81G3
41959-77G2
51967-65G2
*since 1994

Social networks