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
Active geomagnetic conditions expected
The solar wind speed is currently moderately high (578.8 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 35%
Middle latitude 5% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 25%
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:2017/08/20M1.1
Last geomagnetic storm:2017/08/20Kp5 (G1)
Number of spotless days in 2017:56
Last spotless day:2017/08/01

This day in history*

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11998M9.0
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42015M3.5
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ApG
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3200119
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*since 1994