Viewing archive of Friday, 21 August 2015

Select the desired archive item

Sunspot region 2403, M-class solar flares

Solar activity is at moderate levels for the first time since 2015/07/06. Sunspot region 2403 erupted with an M1.2 solar flare today that peaked at 02:18 UTC. Another M-class solar flare took place at 09:48 UTC and again came from sunspot region 2403. This second M-class solar flare peaked at the M1.4 class.

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!

55%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/05/11X5.7
Last M-flare2024/05/10M3.7
Last geomagnetic storm2024/05/10Kp9 (G5)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024138 +1.5
Last 30 days171 +80.1

This day in history*

Solar flares
12024X5.7
22022M2.67
32022M2.26
42023M2.2
52002M2.07
ApG
11938103G4
2199270G3
3198161G3
4200249G3
5196042G3
*since 1994

Social networks