The aurora and solar activity archive

Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday.

Previous month

April 2011

Next month
Monday
Mon.
Tuesday
Tues.
Wednesday
Wed.
Thursday
Thurs.
Friday
Fri.
Saturday
Sat.
Sunday
Sun.
    

1

C3.4
Kp4-

2

B8.3
Kp4+

3

C1.2
Kp4-

4

B8.6
Kp3+

5

B7.4
Kp3-

6

C1.9
G1

7

C1.8
Kp3

8

B7.4
Kp4

9

C1.3
Kp3

10

B5.1
Kp1

11

C2.5
Kp3

12

C3.1
G1

13

C2.5
Kp4-

14

C4.9
Kp2

15

M1.3
Kp2

16

C5.7
Kp1

17

C1.4
Kp2-

18

C1.8
Kp3+

19

C1.0
Kp2+

20

C4.0
G1

21

C8.5
Kp2-

22

M1.8
Kp2+

23

C2.4
Kp2

24

C2.4
Kp3+

25

B9.3
Kp3-

26

B4.4
Kp1-

27

C2.0
Kp1-

28

C2.4
Kp1+

29

C3.8
G1

30

C3.2
G1
 
       

Latest news

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!

12%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:74
Current stretch spotless days:4

This day in history*

Solar flares
12000M2.0
22000M1.8
32015M1.4
41999M1.1
52000C8.2
ApG
1200163G3
2199440G1
3199534G1
4200322G1
5201715
*since 1994

Social networks