Viewing archive of Monday, 21 April 2003

Sunspot numberNew regionsBackground fluxCM
1542B3.031

Solar flares

Region Start Maximum End
- B9.9 02:23 02:31 02:44
- B7.7 06:44 06:50 06:55
0338 M2.8 12:54 13:07 13:14
0337 C2.3 15:51 15:59 16:03
- B7.6 17:23 17:26 17:29
- B5.5 18:54 18:58 19:03
0339 C1.3 19:29 19:35 19:41
0337 C1.8 21:23 21:47 22:13

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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 30% 25%
Middle latitude 5% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
B1.4 B3.4
Moon phase
New Moon

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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 2017:67
Current stretch spotless days:5

This day in history*

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*since 1994