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
The solar wind speed is currently moderately high (522 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