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

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 30%
Middle latitude 5% 1%
Predicted Kp max 3
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waning Crescent

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/09/09M1.1
Last geomagnetic storm:2017/10/15Kp5 (G1)
Number of spotless days in 2017:64
Current stretch spotless days:2

This day in history*

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*since 1994