Viewing archive of Thursday, 21 March 2013

Sunspot numberNew regionsBackground fluxCM
601B2.841

Solar flares

Region Start Maximum End
1692 B6.7 07:20 07:25 07:28
1692 B4.2 10:30 10:34 10:39
1692 B5.7 11:37 11:43 11:49
1692 C1.0 15:25 15:31 15:45
1692 B6.4 16:46 16:57 17:07
1692 C3.5 18:10 18:22 18:28
1692 C1.9 20:20 20:29 20:40
- C1.1 21:17 21:21 21:24
1692 M1.6 21:42 22:04 22:36

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Current data suggest that it is not possible to see aurora now at middle latitudes
G2 - Moderate geomagnetic storm
Observed Kp: 6
The solar wind speed is currently moderately high (605.6 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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32002M5.4
42015M3.5
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*since 1994