Viewing archive of Wednesday, 11 March 2015

Select the desired archive item

Reports
Solar activity
Auroral activity
Four M-class and an X2.2 solar flare from sunspot region 2297

It took a little patience but sunspot region 2297 delivered the first X-class solar flare of this year: it was the source of a major X2.2 (R3-strong) solar flare around 16:22 UTC. Sunspot region 2297 is now facing Earth so the big question on everyone's lips is: did it produce a coronal mass ejection and will it come towards Earth?

Read more

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/02/25M2.4
Last geomagnetic storm2026/03/03Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (5%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
January 2026112.6 -11.4
March 202677 -35.6
Last 30 days63.9 -58.1

This day in history*

Solar flares
12023M5.2
22012M2.91
32023M1.2
42014M1.19
52014M1.09
DstG
11995-90G2
22024-86
31979-77G1
41989-73
51965-72G2
*since 1994

Social networks