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

<< Go to daily overview page

Current data suggest that it is not possible to see aurora now at middle latitudes
G1 - Minor geomagnetic storm
Observed Kp: 5-
The solar wind speed is currently high (711.9 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 30% 45%
Middle latitude 10% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 10%
X-class solar flare 1%
C3.5 C3.1
Moon phase
Waning Crescent

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

89%

Get instant alerts!

Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/07/14M2.4
Last geomagnetic storm:2017/08/18Kp5 (G1)
Number of spotless days in 2017:56
Last spotless day:2017/08/01

This day in history*

Solar flares
11998X3.9
22002M3.1
31998M3.0
42004M3.0
52003M2.7
ApG
1200638G2
2200230G1
3199924
4200319G2
5201518
*since 1994