Viewing archive of Tuesday, 21 April 2015

Solar flares

RegionStartMaximumEnd
2322C1.2 03:4903:5404:07
2324C1.1 05:3605:4205:52
2322M1.0 07:0807:2107:27
2322C2.4 09:5510:0210:14
2333M2.2 10:1710:4010:59
2322M2.2 11:4911:5712:02
2322M4.0 15:2415:4515:51
2322M2.1 16:5517:0017:09
2325C5.0 20:5020:5921:13
2322M1.8 21:3921:4521:55
2325M1.2 21:5822:0122:04

<< Go to daily overview page

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!

93%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/06/08Kp5 (G1)
Number of spotless days in 2019:110
Last spotless day:2019/06/23

This day in history*

Solar flares
11998M1.0
21999M1.0
32000C9.3
42003C3.9
52004C3.6
ApG
1200331G1
2199925G1
3200018
4199717G1
5199414
*since 1994

Social networks