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.

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April 2002

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1

C3.3
Kp4+

2

C9.4
Kp4+

3

C3.2
Kp4

4

M6.1
Kp2

5

C4.9
Kp1+

6

C9.5
Kp1+

7

C9.6
Kp3

8

C6.1
Kp1-

9

M2.1
Kp1

10

M8.2
Kp3-

11

C9.9
Kp4

12

M4.0
Kp4+

13

C3.6
Kp4-

14

M3.7
Kp4+

15

M1.2
Kp2+

16

M2.5
Kp3-

17

M2.6
G3

18

C9.4
G3

19

C3.4
G3

20

C4.1
G3

21

X1.5
Kp2+

22

C7.7
Kp4

23

C1.8
G2

24

M1.7
Kp3+

25

C2.8
Kp2

26

C2.1
Kp1+

27

C4.0
Kp3+

28

C1.3
G1

29

C4.8
Kp3

30

M1.3
Kp3-
     
       

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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 2020:72
Last spotless day:2020/03/30

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