Viewing archive of Tuesday, 15 September 2020

Select the desired archive item

Solar Cycle 25 has officially started in December 2019

Breaking news today from the Solar Cycle 25 Prediction Panel! It is now official, the solar minimum between Solar Cycle 24 and 25 took place December 2019 when the 13-month smoothed sunspot number fell to 1.8. This means that we've been in Solar Cycle 25 since December 2019!

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-flare2024/11/06X2.39
Last M-flare2024/11/22M1.0
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024144.1 -22.3
Last 30 days158 +10.7

This day in history*

Solar flares
11998X3.24
21998M4.53
32013M1.69
42000M1.56
52013M1.54
DstG
11997-108G3
21982-101G2
31959-95G2
41991-84G1
51981-81
*since 1994

Social networks