Viewing archive of Tuesday, 17 May 2016

Select the desired archive item

Coronal hole faces Earth

NOAA's G1 watch never really got off the ground yesterday but another minor G1 geomagnetic storm watch has been issued for Friday, 20 May as another much larger part of the same coronal hole face Earth.

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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/21M1.4
Last geomagnetic storm2025/02/19Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025151.4 +14.4
Last 30 days148.3 -13.8

This day in history*

Solar flares
12024M2.6
22014M1.62
32024M1.5
42023M1.5
52023M1.2
DstG
11988-97G2
21982-92G2
31990-82G1
41973-75G2
51957-73G2
*since 1994

Social networks