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

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!

55%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/05/10X3.8
Last M-flare2024/05/10M5.8
Last geomagnetic storm2024/05/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024138 +1.5
Last 30 days167.9 +77.8

This day in history*

Solar flares
12024X3.8
22022X1.5
32012M8.25
42024M5.8
52013M5.67
ApG
11992179G4
2198132G3
3195147G3
4200342G3
5199348G2
*since 1994

Social networks