Viewing archive of Wednesday, 21 March 2001

Sunspot numberNew regionsBackground fluxMaximum fluxCM
136 382 -1B9.6M1.8571

Solar flares

RegionStartMaximumEnd
-C1.5 01:0601:1201:30
9373M1.8 02:2802:3702:42
9389C5.6 06:5607:2407:30
-C2.3 10:2210:2710:31
-C1.9 10:4510:4810:55
9373C9.8 11:2211:2711:32
-C1.7 13:0013:0513:17
-C2.1 20:0520:1220:15

<< 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!

100%

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:2019/07/10Kp5 (G1)
Number of spotless days in 2019:133
Last spotless day:2019/07/21

This day in history*

Solar flares
12002X4.8
22016M7.6
32016M5.5
42016M5.0
52004M2.2
ApG
1200452G2
2199840G1
3200023G2
4201521G1
5200217G1
*since 1994

Social networks