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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October 1998

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1

C2.1
G1

2

B7.2
G1

3

B3.4
Kp4+

4

B5.0
Kp2-

5

B8.2
Kp2-

6

B7.2
Kp2+

7

M2.3
G2

8

C4.5
Kp4+

9

C1.6
Kp4

10

C7.9
Kp3+

11

C1.8
Kp3

12

C2.2
Kp3

13

C1.2
Kp2

14

C1.6
Kp2+

15

C2.6
Kp3-

16

C2.7
Kp2-

17

C9.1
Kp3-

18

M2.4
Kp3+

19

C7.1
G3

20

C7.4
G1

21

C1.3
G1

22

C1.5
Kp4+

23

C1.0
Kp4

24

C1.3
Kp3+

25

C2.2
Kp4

26

C2.0
Kp2

27

B4.1
G1

28

C2.3
Kp3

29

C1.0
Kp3+

30

B5.0
Kp3-

31

B6.4
Kp3+
 
       

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2020:10
Current stretch spotless days:8

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*since 1994

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