Viewing archive of Tuesday, 21 March 2000

Sunspot numberNew regionsBackground fluxCM
1911C1.341

Solar flares

Region Start Maximum End
8910 C5.2 02:36 02:43 02:49
8910 C7.1 07:17 07:24 07:28
- C5.3 07:42 07:46 07:49
8918 M1.0 14:12 14:24 14:35
- C8.8 21:28 21:41 21:57

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Current data suggest that it is not possible to see aurora now at middle latitudes

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Today's space weather

Auroral activity Minor Severe
High latitude 25% 20%
Middle latitude 1% 1%
Predicted Kp max 2
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
New Moon

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/04/03M5.8
Last geomagnetic storm:2017/06/16Kp5 (G1)
Number of spotless days in 2017:42
Last spotless day:2017/06/12

This day in history*

Solar flares
12015M7.9
22000M2.5
32000M1.9
42000C7.7
51998C6.5
ApG
1201532G2
2200316
3199516G1
4200511
5200810
*since 1994