Viewing archive of Sunday, 21 January 2001

Sunspot numberNew regionsBackground fluxCM
108 173 2B7.331

Solar flares

RegionStartMaximumEnd
-B7.3 08:0708:1408:21
-C1.7 12:1912:2312:27
-B7.8 13:4613:5014:03
-B6.9 17:2517:2917:34
9313C3.0 19:1719:2819:39
9311C4.5 21:1121:1621:25
9311M1.1 23:0823:1223:19

<< 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!

7%

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:2019/01/31Kp5 (G1)
Number of spotless days in 2019:32
Current stretch spotless days:18

This day in history*

Solar flares
12000M2.5
22013M1.9
32000M1.3
42016C9.4
52016C7.4
ApG
1201634G2
2201522G1
3201719
4199818G2
5199917G1
*since 1994

Social networks