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
The solar wind speed is currently moderately high (519.9 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 30% 35%
Middle latitude 10% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Last Quarter

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/12/05Kp5 (G1)
Number of spotless days in 2017:94
Last spotless day:2017/12/09

This day in history*

Solar flares
12001M5.6
22001M4.8
32001M3.0
42000M1.3
52001C9.3
ApG
1200428G1
2200627G1
3200325G1
4201418
5199415
*since 1994