Viewing archive of Wednesday, 21 March 2001

Sunspot numberNew regionsBackground fluxCM
1362B9.671

Solar flares

Region Start Maximum End
- C1.5 01:06 01:12 01:30
9373 M1.8 02:28 02:37 02:42
9389 C5.6 06:56 07:24 07:30
- C2.3 10:22 10:27 10:31
- C1.9 10:45 10:48 10:55
9373 C9.8 11:22 11:27 11:32
- C1.7 13:00 13:05 13:17
- C2.1 20:05 20:12 20:15

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

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 20% 20%
Middle latitude 5% 1%
Predicted Kp max 3
Solar activity
M-class solar flare 5%
X-class solar flare 1%
Moon phase
Waxing Crescent

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/04/03M5.8
Last geomagnetic storm:2017/05/28Kp7 (G3)
Number of spotless days in 2017:37
Last spotless day:2017/05/15

This day in history*

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*since 1994