Viewing archive of Sunday, 17 April 2022

Select the desired archive item

X1.1 solar flare

Two major sunspot regions (2993 and 2994) have now rotated onto the earth-facing solar disk. These regions were already very active on the far side and it was no secret that there was something interesting on the way. It is still hard to see how complex these regions are but considering the numerous C and M-class flares that we had already, we know there is potential. That potential came to light this morning at 03:34 UTC.

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!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/22M1.3
Last geomagnetic storm2025/04/21Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025122.8 -11.4
Last 30 days117.7 -15.6

This day in history*

Solar flares
12014X1.99
22001M3.98
32004M3.25
42003M1.84
52024M1.3
DstG
11979-149G4
21989-108G2
31960-97G3
41982-78G3
51984-71G2
*since 1994

Social networks